The New Epidemiology

Since shortly after World War II, when Ancel Keys and wife Margaret concluded that diets high in animal fat were the cause of cardiovascular diseases, an inestimable number of large, long-term studies have been conducted worldwide to look for proof of a causal...

The Dose Makes The Poison

When I started work as Public Health Toxicologist with the California Department of Public Health a little more than fifty years ago, the word “toxic” was seldom heard much less used as a topic of conversation. In recent years, the word has been discovered and become...