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Lost in translation: Why most reports on health and wine are erroneous

In an era of fake news, alternative facts, and conflicting advice on healthy drinking from even the most reliable sources, it is important to understand where reporting on clinical science can go awry. Does a glass of wine before bed help you to lose weight? A widely reported study last year seemed to suggest just that, at least if you only looked at the headlines. How about a glass of wine a day is as good as an hour at the gym? Both of these might be true - if you are a mouse - and substituting resveratrol for wine. Of mice and men - and medicine The journey from the research lab to the clinic is known as translational medicine, and the process can be long and unpredictable. Take for example the hypothesis that resveratrol alters metabolism in a way that mimics exercise (and ignore for the moment the separate idea that resveratrol supplementation is the same as drinking wine.)  There are limits on what sort of interventional studies you can do to test this idea on humans, ...

The J Curve explained

In order to make sense of the seemingly conflicting reports about wine and health there’s one essential thing to understand: the J-shaped curve. It’s a simple concept, universal, in plain sight, and often ignored. It goes like this: Take “nondrinking” as the baseline and plot increased or decreased relative risk of a health issue with increasing levels of daily consumption. Nondrinkers have a certain risk of, say heart attacks, moderate drinkers a lower risk, heavy drinkers a relatively higher risk. Not too complicated. The tricky parts are separating wine drinkers from drinkers in general, and daily moderate drinkers from occasional drinkers. The J-curve is not just about wine The J-shaped curve is too universal to ignore once you see it. Even dietary salt intake has a J-curve; consuming too little in your diet can be as harmful as too much. For years, the American Heart Association has endorsed a 1.5 gram per day limit on sodium intake (salt is about 40% sodium), about what ...

Wine is a food group

Why are wine’s maximal health benefits related to consuming it with meals? It’s well known that wine with dinner on a regular basis is best, and understanding the role of wine as a food can help illuminate wine’s larger role in health. A central puzzle about wine and health is how much is due to biochemical substances such as resveratrol.  On the other hand, to what degree wine drinkers do other healthy things that can either compensate for the detrimental effects or amplify the good ones? People who regularly have a glass of wine with dinner more often eat in moderation, prefer healthier foods, and deal better with stress. Wine with meals is associated with other healthy habits A few recent studies bring clarification to the issue. One from the University of Helsinki in Finland reported the results of a long term population study evaluating drinking patterns and subjective well-being. Although a comparatively small percent of Finns have wine with dinner on a regular basis, th...

The French paradox at 25

  November 17 2016 will mark twenty-five years since the CBS television show  60 Minutes christenedthe term “French paradox” and ushered in the modern era of research on wine and health. It was a provocative idea at the time, attributing the French custom of regular imbibing to health and well-being. It still has its naysayers; as recently as 2015, England’s chief medical officer Sally Davies scorned the idea and proclaimed it an “old wives’ tale.” (She suggested a cup of tea instead, presumably with pinky finger raised.) Then there are those who reduce the idea to a simple question of nutritional biochemistry and proclaim that all of wine’s health benefits can be put into a pill, conveniently and properly skipping the alcohol. Is there still a useful truth underlying the paradox? Why the French Paradox is still true As with many questions in the realm of lifestyle and health, the answers are often nuanced and conditional. Government authorities in both America and Europ...

Should colleges teach drinking 101?

A quick glance at statistics on alcohol abuse in American colleges and universities reveals a huge problem, and I believe that tackling the issue will require a new and perhaps controversial strategy. Various approaches have failed, so in this “back to school” edition I take a look at the question and offer a sensible, if counterintuitive, alternative. The majority of young people who choose to drink need to be taught that there is such a thing as healthy drinking. The drinking 101 curriculum has to include “how drinking can be healthy” and not just “don’t drink.” First the numbers: According to the National Institute on Alcohol Abuse and Alcoholism, as many as 1800 students die each year from alcohol-related causes. More than a half million more are injured while drunk, and tens of thousands become victims of sexual assault attributable to alcohol.  Tellingly, more than half of the 80% of students who consume alcohol engage in binge drinking, and this lies at the heart of most ...

This is your brain on wine: an update on cognition, Alzheimer’s, and wine

Even as the silent epidemic of Alzheimer’s disease grows, wine’s positive if seemingly unlikely effects on brain health continue to offer a map toward a solution. It’s long been known from lifestyle surveys that wine drinking is a defining characteristic of the lowest risk group for Alzheimer’s (AD).* In fact, without exception regular wine consumption is the only factor that features in every study across the board. But given that alcohol is neurotoxic, it just didn’t seem to make sense. The resveratrol promise tested Resveratrol, the anti-aging miracle molecule in wine, offered a plausible explanation. Laboratory and animal studies showed that resveratrol works in several specific ways to counteract the noxious effects on brain cells of protein plaques called ß-amyloid, a marker for AD. While the role of ß-amyloid in the pathogenesis of AD is still not completely clear, it is evident that with enough resveratrol the formation of the plaques can be suppressed, and health of ...

Of reds, whites, and bluebloods: revolution and wine in America and France

Liberty and wine (apologies to Delacroix and Bartholdi for taking a few liberties  . . .) How diminished access to affordable wine factored in to both the American and French revolutions There are more than a few parallels between the French and American revolutions: Both are commemorated by holidays in July, (Independence Day on the 4th and Bastille Day the 14th), the same national colors, and similarly spurred by corrupt royal rule and unfair taxation. In both countries, access to affordable everyday wine played a significant role. Though not widely recognized, the liberation of the Bastille was not the first major act of the insurrection in France, but rather the storming of the customs offices at the gates of Paris where increased taxes on wine had been imposed. And while the Boston Tea party marked a significant escalation of protests against taxation without representation on British subjects in the colonies, it was wine they really relied upon for their day-to day ...