In the United States, most deaths are preventable and related to nutrition. Given that the number-one cause of death and the number-one cause of disability in this country is diet, surely nutrition is the number-one subject taught in medical school, right? Sadly, that is not the case.
As shown in my video, Physicians May Be Missing Their Most Important Tool, a group of prominent physicians wrote in 2014 that “nutrition receives little attention in medical practice” and “the reason stems, in large part, from the severe deficiency of nutrition education at all levels of medical training.” They note this is particularly shocking since it has been proven that a whole foods, plant-based diet low in animal products and refined carbohydrates can reverse coronary heart disease—our number-one killer—and provide potent protection against other leading causes fof death such as cancer and type 2 diabetes.
So, how has medical education been affected by this knowledge? Medical students are still getting less than 20 hours of nutrition education over 4 years, and even most of that has limited clinical relevance. Thirty years ago, only 37 percent of medical schools had a single course in nutrition. According to the most recent national survey, that number has since dropped to 27 percent. And it gets even worse after students graduate.
According to the official list of all the requirements for those specializing in cardiology, Fellows must perform at least 50 stress tests, participate in at least 100 catheterizations, and so on. But nowhere in the 34-page list of requirements is there any mention of nutrition. Maybe they leave that to the primary care physicians? No. In the official 35-page list of requirements for internal medicine doctors, once again, nutrition doesn’t get even a single mention.
There are no requirements for nutrition before medical school either. Instead, aspiring doctors need to take courses like calculus, organic chemistry, and physics. Most of these common pre-med requirements are irrelevant to the practice of medicine and are primarily used to “weed out” students. Shouldn’t we be weeding out based on skills a physician actually uses? An important paper published in the Archives of Internal Medicine states: “The pernicious and myopic nature of this process of selection becomes evident when one realizes that those qualities that may lead to success in a premedical organic chemistry course…[like] a brutal competitiveness, an unquestioning, meticulous memorization, are not necessarily the same qualities that are present in a competent clinician.”
How about requiring a course in nutrition instead of calculus, or ethics instead of physics?
Despite the neglect of nutrition in medical education, physicians are considered by the public to be among the most trusted sources for information related to nutrition. But if doctors don’t know what they’re talking about, they could actually be contributing to diet-related disease. If we’re going to stop the prevailing trend of chronic illness in the United States, physicians need to become part of the solution.
There’s still a lot to learn about the optimal diet, but we don’t need a single additional study to take nutrition education seriously right now. It’s health care’s low-hanging fruit. While we’ve had the necessary knowledge for some time, what we’ve been lacking is the will to put that knowledge into practice. If we emphasized the powerful role of nutrition, we could dramatically reduce suffering and needless death.
Take, for example, the “Million Hearts” initiative. More than 2 million Americans have a heart attack or stroke each year. In 2011, U.S. federal, state, and local government agencies launched the Million Hearts initiative to prevent 1 million of the 10 million heart attacks and strokes that will occur in the next 5 years. “But why stop at a million?” a doctor asked in the American Journal of Cardiology. Already, we possess all the information needed to eradicate atherosclerotic disease, which is our number-one killer while being virtually nonexistent in populations who consume plant-based diets. Some of the world’s most renowned cardiovascular pathologists have stated we just need to get our cholesterol low enough in order to not only prevent—but also reverse—the disease in more than 80% of patients. We can open up arteries without drugs and surgery, and stabilize or improve blood flow in 99% of those who choose to eat healthily and clean up their bad habits. We can essentially eliminate our risk of having a heart attack even in the most advanced cases of heart disease.
Despite this, medical students aren’t even taught these concepts while they’re in school. Instead, the focus is on cutting people open, which frequently provides only symptomatic relief because we’re not treating the actual cause of the disease. Fixing medical education is the solution to this travesty. Knowledge of nutrition can help doctors eradicate the world’s leading killer.
I’ve previously addressed how Doctors Tend to Know Less Than They Think About Nutrition, which is no surprise given most medical schools in the United States fail to provide even a bare minimum of nutrition training (see Medical School Nutrition Education), with mainstream medical associations even actively lobbying against additional nutrition training.
Michael Greger, M.D.
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