Testosterone, aging, and the mind

Testosterone affects many of the body's functions throughout a man's life. Some studies have attempted to link declining testosterone production in later life to decreased cognitive function, but no firm connection has yet been found. (Locked) More »

Red meat and colon cancer

A number of studies have shown a link between increased consumption of red meat and an increased risk of colon cancer. Dietary changes and regular exercise are the best options for reducing one's risk. More »

On call: "Low-dose" smoking

I know that smoking is very bad for me. I've cut down to one cigarette after lunch and another after dinner each day, with two or three more on most weekend nights when I socialize. I really enjoy smoking, but I want to know if I'm harming myself. (Locked) More »