Showing posts with label binge. Show all posts
Showing posts with label binge. Show all posts

Saturday, February 1, 2020

Does Social Norms Marketing Work In The Long Run? The Latest Study Says Yes

The latest study on social norms marketing for Michigan State University students over a 14 year period is highly encouraging.  From 2000 to 2014, high-risk drinking dropped significantly faster at MSU than it did for national trends:
  • The percentage of MSU students who said they consumed eight or more drinks in one sitting dropped from nearly 28% to 16.5%, a 41% relative decrease.
  • The percentage of MSU students who said they drove after drinking fell by 58% as well.
  • Additionally, another forthcoming study found that the percentage of MSU students who said they drank on 10 or more days in the past month dropped from 24.1% to 13.4% by 2016, while it remained largely flat at the national level.
That is quite impressive.  Considering how MSU went from being consistently in The Princeton Review's list of top 20 "party schools" to no longer being on that list anymore, that really says something.

How does social norms marketing work?  Young people often falsely believe that their peers are drinking, smoking, vaping, toking, or using other substances much more than is actually the case, and they feel pressure to conform to such inaccurate norms.  This is called "pluralistic ignorance".  By simply setting the record straight about the actual numbers, it tends to reduce the use of such substances overall when the "reign of error" is corrected.  In contrast, moral panics exaggerate the levels of use, which tends to increase the use of such substances, in what is known as a "deviancy amplification spiral".

Most other studies agree on the effectiveness of the social norms approach.  The effects are quite robust and seem to occur fairly quickly in most studies.  So what about the handful of studies that seem to disagree?  It is true that poorly designed programs, unsurprisingly, do not work very well.  And for colleges and demographics in which heavy drinking is most entrenched, it stands to reason that it can take longer to show any effects, longer than the short time periods of most studies on the matter.  Attitudes generally have to change first before behavior does, as a rule.  But as we see, Michigan State is clearly an example of a formerly entrenched heavy drinking "party school" that did show massive declines in both high-risk drinking practices as well as drunk driving and the frequency of drinking.  And those declines were in fact quite long-term, continuing at least a decade and a half with still no signs of stalling.

(Looks like William DeJong was right the first time after all, even if the alcohol outlet density in college towns may moderate or confound the results in his later research on the subject.)

Social norms marketing is clearly a highly effective yet inexpensive way to reduce harmful alcohol and other substance use/abuse, and best of all, it does not violate anyone's civil rights or liberties at all.  In contrast, legalistic crackdowns and so-called "environmental management" programs like "A Matter of Degree" are expensive, authoritarian, intrusive, ageist, and can be quite difficult to implement in practice.  So what are we waiting for?

Thursday, January 2, 2020

One Weird Trick Reduces Binge Drinking on College Campuses By Nearly 10%

Clickbait-y title aside, a recent study confirms what we at Twenty-One Debunked have always known.  When examining substance use trends among college students from 2008-2018, it was observed that recreational cannabis legalization was associated with nearly 10% LESS "binge" drinking by students over the age of 21.  That is of course not surprising, given that alcohol and cannabis tend to be substitutes, and the legal age limit for both substances is 21 in all such legalization states so far.  No such effect was observed for students under 21, and no other effects were observed on trends for any other substance use (including nicotine use, illicit drug use, and prescription stimulant, sedative, or opioid misuse) among students under or over 21, except for a modest increase in the (mis)use of sedatives among students under 21 (but not over 21) for whatever reason. (So much for the long-debunked "gateway" theory).

We at Twenty-One Debunked believe that if the age limit was lowered to 18 for both alcohol and cannabis, the benefits of the aforementioned reduction in "binge" drinking would extend to students under 21 as well.   In any case, cannabis legalization looks like a net public health win on balance.

So what are we waiting for?

Thursday, November 22, 2018

Americans Still Drinking Themselves To Death

With all the news about tobacco, vaping, opioids, and cannabis lately, Twenty-One Debunked had almost forgotten about the very substance that led us to our founding in the first place: alcohol.  And the news about alcohol these days is hardly anything rosy:  Americans are still drinking themselves to death, at an alarming and increasing rate.  And yet, such very bad news (among adults) is strangely banal and often seen as not particularly newsworthy.  As we like to say, it is our country's "pink elephant in the room".

Teen drinking specifically may be at or close to a record low now, as it is in many other countries as well, but the tragic truth is that Americans in general are currently drowning in the bottom of the bottle and paying a heavy price for it.

According to a recent article, there are indeed several proven strategies that can be implemented at federal, state, and local levels to help stem the tide and get a handle on America's drinking problem.  We KNOW how to do it, and have known for decades now.  And while they may not necessarily get at all of the deepest root causes, they are still known to work quite well in the meantime regardless:
  • Raising alcohol taxes
  • Restricting the number/density of alcohol outlets and/or the hours/days of sale
  • Improving access to treatment
  • Bolstering coping skills
And while the first two get the most "bang for the buck" in terms of cost-effectiveness, they are unfortunately a relatively tough sell in some places.  Nevertheless, all four of these strategies should be implemented yesterday--if only our "leaders" would have the intestinal fortitude to do so.

Notice also that there was no mention of the 21 drinking age in the article.  And that is probably because after maintaining such ridiculous and ageist laws in all 50 states and DC for at least three decades now, the supposed benefits of such laws are ringing more hollow than ever.  And if anything, it is becoming increasingly crystal clear now that the 21 drinking age is doing more harm than good by merely forcing young adult drinking underground and kicking the proverbial can down the road.

Friday, July 13, 2018

A Simple, Yet Overlooked Solution to College (Town) Drinking Problems

With all of the perennial hand-wringing about binge drinking and related problems on college campuses and in college towns, one would think that actual solutions would have been implemented long ago.  But it appears that not only are the chattering classes NOT naming and defining the actual problem correctly (spoiler alert:  it is NOT peculiar to college students or limited to a specific age group), but they do NOT seem to be interested in solutions that really work.  They just keep on repeating the same tired, old nostrums that are either feel-good pseudo-solutions or worse, neoprohibitionist measures (usually involving propping up the ageist abomination that is the 21 drinking age) that tend to do more harm than good overall.  Or they jump on the anti-student bandwagon and vilify college students as a group that is somehow unworthy of full adult rights and/or somehow parasitic to the surrounding community.

But there is in fact a very simple solution to reduce such alcohol-related problems, improve town and gown relations, correct for Pigouvian externalities, and raise revenue at the same time:  raise alcohol taxes locally in college towns.  The town of State College, PA, home to my own alma mater, Penn State University, is the latest to float the idea of levying their own local alcohol taxes (though the state would have to grant them permission to do so).  We have known for decades that alcohol taxes work well in general to significantly reduce alcohol-related harms without actually violating anyone's rights, discriminating against students or young people in general, or forcing non-drinkers to foot the bill for the externalities of excessive drinking.  And the state of Pennsylvania (and any other state, for that matter), would do well to grant local governments the right to levy their own alcohol taxes as they see fit, for both on- and off-premise sales.

If the price of alcohol were to go up significantly, even if only modestly, excessive drinking and related consequences (such as traffic casualties, violence, vandalism, overdoses, and public nuisances) would go down, all else being equal.  Moderate drinkers would barely even notice the price difference.  And the revenue it would raise could be used to further reduce (or at least deal with) whatever problems that remain in the community.  A win-win-win situation for everyone but the alcohol industry, basically.

So what are we waiting for?

Wednesday, October 2, 2013

Extreme Binge Drinking Revisited

The latest news on extreme binge drinking is in.  Apparently, a new study of Monitoring the Future (MTF) survey data from 2005-2011 found that about one in ten high school seniors have engaged in "extreme" drinking, defined as 10 or more drinks in the same occasion at least once in the past two weeks.  And about one in twenty have consumed 15+ drinks (!) in the same timeframe.  Rates were highest in the Midwest and in rural areas (i.e. so-called "blue-collar America"), and more common among males than females.  We have already noted similar findings four years ago.

While clearly only a small minority in engaging in such truly dangerous drinking, it is not a trivial fraction either, and is probably an underestimate.  And, most relevant to the drinking age debate, these numbers have not changed significantly since MTF began following them in 2005, despite ever-intensifying enforcement of the 21 drinking age and its ancillary laws.  So recent declines in prevalence of 5+ drinks in a row appear to be somewhat misleading, especially since underage drinkers tend to undercount their drinks.  Lying (or exaggerating or minimizing) is also fairly common in teen drug and alcohol surveys.

For what it's worth, according to the same surveys about 25% of seniors and 18% of sophomores admit to having had 5+ in a row in the past two weeks, and these numbers are leveling off after a decade-and-a-half-long decline.  It seems that fewer teens are drinking, but the more they do when they do.  That may explain why in emergency rooms in several cities across the country, admissions related to teen binge drinking increased in recent years in spite of surveys showing that teen drinking and "binge" drinking are both at record lows.

Tracking this highly dangerous behavior is long overdue.  We already know that among college freshmen, 20% of males and 8% of females have done extreme drinking (10+ males, 8+ females) in the past two weeks.  But that was a one-semester snapshot in the fall of 2003, with no other years for comparison.  The rate of "binge" drinking (using the 5/4 definition) in the past two weeks was 41% for males and 34% for females, which does jibe well with known statistics (roughly 40%) that use that definition.  But one must wonder if there is even any relationship at all between the rates of drinking, "binge" drinking, and "extreme" drinking.  And it is an important distinction to draw, as studies show that a higher cutoff (e.g. 7/6 or 8/6) has better predictive value for the more serious alcohol-related problems than the rather unscientific 5/4 definition.

Indeed, from 1993 to 2005, the percentage of college students who "binge" drank (5/4 definition) in the past two weeks has not changed a whole lot, but the percentage who do so three more times in the past two weeks ("frequent binging") has gone up significantly.  And since the aforementioned study found that extreme drinking was strongly correlated with frequent "binging," the former most likely rose as well.  Further evidence comes from another study that found that the number of alcohol poisoning deaths (a good indicator of truly dangerous drinking) among college students nearly tripled from 1998 to 2005. 

Bottom line:  when you criminalize normative drinking, you inevitably normalize truly dangerous drinking.  We saw the same thing during Prohibition.  And we all pay a heavy price for it.

Wednesday, January 23, 2013

If It Smells Like Junk Science, It Probably Is

The news of the latest study about the 21 drinking age now appears to be going viral.   According to this study, which is now available (only to subscribers) online ahead of print, folks who were young adults in states that allowed them to drink legally before age 21 at that time were statistically more likely to become more frequent "binge" drinkers later in life compared to those who were not allowed to drink legally until age 21.  The research, which used data from surveys in 1992 and 2002 taken by those who were born between 1949 and 1972 (i.e. were young adults in the 1970s and 1980s), interestingly found no difference in overall alcohol consumption or frequency between the two groups, but apparently found that those allowed to drink before 21 had more "binge" days and fewer "non-binge" days per month compared to those who were not allowed to drink until 21.  The former were 19% more likely to "binge" more than once per month compared with the latter, and the differences were largely (if not entirely) driven by men and those who never attended college.  So what should we make of this study, which is not yet available for the general public to read?

First of all, we at Twenty-One Debunked always put the term "binge drinking" in scare quotes when we are referring to the 5+ or 5/4+ drinks definitions, as we believe that such definitions are grossly inaccurate measures of the very real problem of truly dangerous drinking, and can potentially mask actual trends in the latter.  (More information about this issue can be found in our previous posts here and here)  And we know based on the article's summary that a 5+ drinks threshold is the one used in this study, as is the case in virtually every other pro-21 study out there.  Strike one.

Secondly, no information is provided about which, if any, confounding factors are controlled for.  This is crucial because there are numerous other differences between people who grew up in different parts of the country and/or at different times.  One should also note that the effect size is fairly small as well, with a relative risk (or odds ratio) of 1.19 overall (1.31 for men who never attended college).  In epidemiological research, relative risks below 2.0 are especially likely to be due to a combination of chance, bias, and/or confounding, and thus should be taken with at least a grain of salt (if not a whole pound).  Strike two.

Finally, the study really adds nothing else new to the scientific literature beyond what was mentioned above.  Zip, zilch, nada.  And nothing about whether there were any between-group differences in actual problem drinking.  The authors (as well as MADD member Ralph Hingson) refer to other past studies (including a 2009 study which we had debunked years ago) by other authors in an attempt to connect the dots.  But given enough dots, one can pretty much connect them any way to form any picture one chooses.  Strike three, you're out!

Thus, our preliminary analysis of the study (to which we were unable to gain full access--stay tuned for updates!) suggests that the study reeks of junk science, and clearly should not be used to set public policy.  However, let us be clear that even if it (and the 2009 study about increased risk of alcoholism) somehow were 100% true, which we seriously doubt, we at Twenty-One Debunked would still support lowering the drinking age to 18.  Why?  The 21 drinking age is nothing less than a hate crime against young people, plain and simple.  In our society we know, for example, that certain ethnic groups are statistically more prone to alcoholism than others, yet we do not arrest, jail, revoke privileges, or publicly humiliate members of such groups for the simple act of drinking alcohol in the name of "public health."   That, of course, would be illegal discrimination since it violates the 14th Amendment's guarantee of equal protection of the law, and no amount of "scientific" research can justify it.  And even known alcoholics over 21 are not jailed simply for being alcoholics--they simply hold too much political power for that.  But 18-20 year old men and women, despite being legal adults in virtually every other way, are apparently a much more acceptable target for "public health" fascism run amok, no matter how responsibly they drink.

The injustice must end NOW.  Let America be America again, and lower the drinking age to 18.  If you're old enough to go to war, you're old enough to go to the bar.  'Nuff said.

Tuesday, May 24, 2011

Latest "Binge Drinking" Study Less than Meets the Eye

Stop the presses!  New study links binge drinking to memory loss in college students!

Now before readers all respond with a resounding "DUH!", we should clarify that the study in question, which looked at 18-20 year old college students in Spain, found that those who admitted to "binge" drinking (six or more drinks in the same occasion at least once a month) performed slightly worse on a test of verbal memory (when sober) than those who did not.  Already the media has taken it and ran with it, with some people inferring that this is evidence of permanent brain damage.  Even worse, some folks have even interpreted this study as justification for the 21 drinking age.  And those lines of reasoning are flawed to say the least, especially when one considers what the study actually found rather than the speculation of the alarmists.

First of all, the actual study was a cross-sectional study, and although it did control for several potential confounders, its design made it impossible to determine whether the link was causal since one could not test for temporal precedence (a crucial criteron of causation), much less truly isolate the drinking from all other variables. Second of all, the size of the effects was small (e.g. the "bingers" remembered 2-4% less information from a story compared to controls), not always statisically significant, and was in all cases within a standard deviation.  For the word list recall, the difference in the number of words recalled was less than a single word.  These differences would be of little to no practical significance, even if they technically were statistically significant.  Third, no gender differences of the apparent effects were noted, despite the fact that women are generally more sensitive to alcohol than men as a rule, and that the definition of a "binge" was not gender-specific.  Fourthly, we know nothing from the study about how long such effects persist, since the participants were only required to abstain from alcohol or drug use for 24 hours, and such abstinence was not monitored.  Hangovers may very well last longer than 24 hours in some cases, which may confound results.  Finally, the study design precluded determination of a dose-response relationship, so the all-important question of "how much alcohol is too much" relating to neurotoxicity remains unanswered by this investigation.

This should remind us all of another relatively recent cross-sectional study of 18-20 year old first-year university students in Spain, that looked at the effects of so-called "binge" drinking on the brain. In this study, 95 students (42 "bingers", 53 controls) were given tests of attention and working memory, and their specific brain waves were monitored with electrodes. No statistically significant differences were observed between the two groups in terms of actual performance, but the electrophysiological test suggested that more attention was expended to complete a given task among the "binge" group, as well as other electrophysiological differences. This is a lot more nuanced and less certain than the media are implying, and hardly represents "dain bramage."   EEG differences were also noted in another recent study of a broader age group of young adults in the United States, but such differences were largely confined to "high-binge" drinkers (10 or more drinks per drinking session) rather than those who had 5-7 drinks per session.

Another recent study, done on 18-20 year old college students in Belgium, also found similar electrophysiological differences, but again no behavioral performance differences for some reason.  In this study, which was one of the very few longitudinal studies on the matter, there were no differences in alcohol consumption or electrophysiological results at baseline, but both changed significantly in the "binge" group when measured 9 months later, but not in the control group. However, we should keep in mind that the binge group averaged 12.5 units (about 9 American drinks) per binge session, and two such binge sessions per week, which is quite extreme. Number of drinks per week averaged a whopping 35 units (25 American drinks) in the binge group, while the control group drank barely even one drink per week. And some participants drank as recently as three days before the tests as well, potentially conflating short and long term effects, though this was ostensibly controlled for. One good thing about this study, however, was that the sample size was significantly larger than the aforementioned one, and due to its longitudinal nature there was both a before test and and after test, enabling us to control for preexisting differences between the two groups. 

The biggest flaw in all of these studies was the fact that there was no over-21 comparison group. So we simply cannot infer anything at all about age from this piece of research. Absolutely zilch. A better method would have been to have three groups each examined separately: 15-17, 18-20, and 21-24 years of age. But no study that we know of meets this standard.  This would help to settle the nagging question of whether or not it actually is worse to drink at 18 rather than 21. Or perhaps some people are afraid of the possibility that their rationale for keeping the drinking age at 21 would be debunked if such a comparison was done. As yet, there is essentially ZERO hard scientific evidence that drinking at 18 is significantly worse than doing so at 21, ceteris paribus, but a plethora of evidence showing that excessive drinking is unhealthy at any age.  Indeed, a 2002 study of alcoholics found no significant differences in the long-term effects on participants' neuropsychological performance with respect to age of onset (before vs. after age 20) of alcohol abuse. And still another study in 2007, this time of 21-25 year olds (you know, folks who are legally allowed to imbibe) who were self-identified heavy drinkers (more than 25 drinks per week), found that subtle brain changes are not exclusive to those under the magic age of 21.

Drinking ludicrous amounts of alcohol is dangerous, period.  Regardless of age. That, if anything, should be the moral of the story. Keeping the drinking age at 21 only encourages such extremes, especially for college students.

We at 21 Debunked provide this for informational purposes only and do not in any way advocate drinking of any kind, underage or otherwise.

Monday, December 14, 2009

How Common is Extreme Binge Drinking? Now We Know

We at 21 Debunked have repeatedly voiced disapproval at those who insist on calling 5 drinks a "binge," as well as noting the dearth of longitudinal data concerning the practice of imbibing 10 or more drinks in an evening, sometimes called "extreme" drinking or "extreme binge" drinking.  The Monitoring the Future (MTF) survey of middle and high school students has not been gathering data on this truly dangerous activity, so we have been left in the dark about its true prevalence.  Until now. 

Lloyd Johnston, the overseer of the survey, has recently been asking high school seniors whether they have had 10+ drinks or more in at least one occasion in the past 2 weeks.  The most recent data say 11% have done so, and 6% have had 15+ drinks in a row.  While clearly a small minority, it is not a trivial fraction either, and is probably an underestimate.  And, most relevant to the drinking age debate, these numbers have not changed significantly since Johnston began following them, despite ever-intensifying enforcement.  So recent declines in prevalence of 5+ drinks in a row appear to be somewhat misleading, especially since underage drinkers tend to undercount their drinks.  Lying (or exaggerating or minimizing) is also fairly common in teen surveys.

For what it's worth, according to the same surveys 25% of seniors and 18% of sophomores admit to having had 5+ in a row in the past two weeks, and these numbers are leveling off after a decade-long decline.  It seems that fewer teens are drinking, but the more they do when they do.  That may explain why in emergency rooms in several cities across the country, admissions related to teen binge drinking increased in recent years in spite of surveys showing less drinking.

Tracking this dangerous behavior is long overdue.  We already know that among college freshmen, 20% of males and 8% of females have done extreme drinking (10+ males, 8+ females) in the past two weeks.  But that was a one-semester snapshot in the fall of 2003, with no other years for comparison.  The rate of "binge" drinking (using the 5/4 definition) in the past two weeks was 41% for males and 34% for females, which does jibe well with known statistics (roughly 40%) that use that definition.  But one must wonder if there is even any relationship at all between the rates of drinking, "binge" drinking, and "extreme" drinking.

Indeed, from 1993 to 2005, the percentage of college students who "binge" drank (5/4 definition) in the past two weeks has not changed a whole lot, but the percentage who do so three more times in the past two weeks ("frequent binging") has gone up significantly.  And since the aforementioned study found that extreme drinking was strongly correlated with frequent "binging," the former most likely rose as well.  Further evidence comes from another study that found that the number of alcohol poisoning deaths (a good indicator of truly dangerous drinking) among college students nearly tripled from 1998 to 2005. 

Bottom line:  when you criminalize normative drinking, you inevitably normalize truly dangerous drinking.  We saw the same thing during Prohibition.  And we all pay a heavy price for it.

Would you drive a car knowing its brakes would fail 11% of the time?  Didn't think so.

Monday, September 21, 2009

The Truth Should Be Self-Evident--Not All "Bingers" are Created Equal

Binge drinking. We all have heard the term used incessantly in the media, who usually claim it is getting worse. Our kids are out of control, they say, and we need to get tougher. Except, of course, when the issue of the 21 drinking age comes up--then it has gone way down, and the raising of the drinking age in the 1980s gets all (or nearly all) the credit.  Predictable to say the least.

So which is it? It depends on your definition of "binge" drinking. The term originally meant a multi-day, very heavy drinking session in which the drinker neglects usual responsibilities and behaves recklessly--also known as a bender. Fortunately, very few people do this, both now and back in the day. But in 1994, Henry Wechsler of the Harvard University School of Public Health redefined the term to mean anytime someone drinks 5 or more drinks in the same evening, later modified to be 4 or more for a woman. This "5/4 definition" is the one most commonly used nowadays, with the gender-neutral 5+ definition a close second since the latter has been tracked by national surveys since 1975. And yes, it (defined this way) has gone down since its peak in 1979 for everyone except college students and non-college females. But that downward trend began several years before a significant number of states raised their drinking ages to 21, and also occurred in states that stayed 21 throughout.

But is it really an accurate index of harmful drinking? That question appears to have been answered fairly in a new study. Using self-reported alcohol-related injuries (major or minor) in the past 6 months as the dependent variable, researchers examined the effect of the number of drinks per drinking day, and the frequency of occasions having that number of drinks in the past month, among college students. This clearly makes more sense than lumping them all together, or looking only at total volume or frequency. Results were that risks increase rapidly after consuming 8+ drinks (males) or 5+ (females), on at least four days per month. Effects were further magnified among those who scored high on sensation-seeking. It was also found that the 5/4 definiton loses much of its predictive power when days of 8/5+ are removed from the equation. And remember, none of these models account for speed or context of drinking, or even distinguish drunk driving, and students often undercount their drinks as well (due in part to the ubiquitous "red party cups" and the popularity of hard liquor).  But one benefit to this study is that body weight was controlled for, since the effect of a specific number of drinks varies widely across individuals.

Another recent study found that a 7/6+ cutoff was far more predictive of alcohol-related problems (relative to non-bingers) than a 5/4+ one.  Those who met the 5/4+ cutoff but not the 7/6+ one averaged 5.4 drinks per occasion, while those who met the 7/6+ cutoff averaged a whopping 9.1 drinks.  In terms of negative consequences, those males who typically drank 5-6 drinks (and 4-5 for females) generally did not fare significantly worse than the nonbingers, but the heavier 7/6+ group clearly did.

Clearly, the 5/4 definition is an arbitrary convention with little to no scientific basis. Kind of like, well, the 21 drinking age. An ideal definition would take into account context, speed, and BAC, set at rational thresholds. However, a quick, context-neutral, numerical definition is needed for survey purposes. While for the vast majority of the college-age population a 5/4+ threshold is a good negative test for acutely dangerous drinking, a 10/8+ threshold is a better sufficient test for the same, and intermediate between the two is an 8/6+ threshold.  Thus, we at 21 Debunked propose two thresholds: 8/6+ drinks and 10/8+ drinks. It's probably best to jettison the word "binge" entirely--call the first threshold "heavy episodic drinking" or "high risk drinking," and the second one "extreme drinking." Unfortunately, these have not been measured very well over time, so to answer the first question, we don't know for sure.

But if we are to go with anecdotal data and statistical proxies for extreme drinking, we can probably safely that say such drinking has been on the rise, at least for college students. For example, another study found that between 1998 to 2005, there was a significant increase in alcohol-related nontraffic deaths among students, driven by a near tripling of alcohol poisoning deaths. (The actual statistics were simply those for 18-24 year olds multiplied by 30%, so this actually includes many non-students as well) That being said, we should note that the majority of college drinkers still drink responsibly, whether legally or illegally, and only a small minority drinks to these ludicrously high levels. However, the latter appears to be where the real problems lie, and where our efforts are best concentrated.  But we still keep on barking up the wrong tree time and again.

It's also worth noting that in the first study mentioned, participants from 3 out of the 4 American universities surveyed had higher rates of alcohol-related injury than those from the one Canadian university, though the difference was not statistically significant.  It is quite plausible that the 21 drinking age, by forcing drinking underground, exacerbates such problems. (Canada's drinking age is 18 or 19, depending on the province)

We at Twenty-One Debunked do not endorse any kind of drinking, underage or otherwise, and we do not mean to imply that drinking below a specific threshold is safe for everyone. To our knowledge, no such absolute threshold exists. But we do think that we need to get our priorities straight as a society when it comes to drinking.  America's young people--our future--deserve nothing less.