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This database provides both national and sub-national adult underweight, overweight and obesity prevalence rates by country, year of survey and gender. The information is presented interactively as maps, tables, graphs and downloadable documents. These ca

"These are the slides from the within-countries discussion on cholesterol and heart disease. I've allowed the sarcasm back in, which was strictly limited when the slides were originally presented. OK, there is a correlation. In fact, if you are a bloke, having a cholesterol above that certain magic number on the graph is clearly catastrophic and boy, are you in trouble. No statins to save your life in those days!"

"Wednesday, May 27, 2009 Eicosanoids and Ischemic Heart Disease, Part II Here's where it gets more complicated and more interesting. The ratio of omega-6 to omega-3 matters, but so does the total amount of each. This is a graph from a 1992 paper by Dr. Lands: In sum, this suggests that the single best way to avoid a heart attack is to reduce omega-6 consumption and ensure an adequate source of omega-3. The lower the omega-6, the less the omega-3 matters. This is a nice theory, but where's the direct evidence? In the next post, I'll discuss the controlled trial that proved this concept once and for all: the Lyon diet-heart trial.

Incidence of reported cold/influenza symptoms according to season. The 104 subjects in the placebo group (light shade) reported cold and flu symptoms year around with the most symptoms in the winter. While on 800 IU per day (intermediate shade) the 104 test subjects were as likely to get sick in the summer as the winter. Only one of the 104 test subjects had cold/influenza symptoms during the final year of the trial, when they took 2,000 IU of vitamin D per day (dark shading). Adapted from: Aloia JF, Li-Ng M: Epidemic influenza and vitamin D. Epidemiol Infect 2007; 135: 1095-1096

Diet and Coronary Thrombosis., Hypothesis and Fact Yudkin J. The Lancet 1957. (Figure 9 only)