I suspect there is a scientific institute somewhere called “The Institute for Everything that Was Supposed to be Good for You but is Now Bad for You.”
The flux and change in science as well as uncertainty in such fields as nutritional research makes it maddeningly difficult to know what are the best choices for a good and healthy life.
In a recent New York Times opinion piece, “Why Nutrition is So Confusing,” health and science journalist Gary Taubes describes the enormous costs and challenges to creating credible long-term studies on various approaches to nutrition.
There are so many confounding variables, and the long-term effects so hard to track and measure, that we often get conflicting advice. Witness recent confusion on vitamins and omega-3 fatty acids.
Pharmacological and medical research is likewise strewed with the carcasses of old theories and practices.
The very day a couple weeks ago that I wrote about testosterone and obesity in men, a report came out documenting a significant increase in heart attack rate in men on replacement testosterone above a certain age.
Coronary bypass surgery and tube feeding, long thought to be lifesavers, have been found not to prolong life in controlled studies. Continue reading