It's an old story, very old, in fact. Forbidden fruits taste the best. The apple in Eden may have started it all, but there are many modern equivalents, ranging from juicy burgers and crispy fries to salty snacks and fine cigars. But science and experience can also move things from column A to column B. Far from being a guilty pleasure, alcohol, for example, can actually promote health if the dose is right (low) and the drinker is responsible. The same is true for nuts. On the other side of the coin, many people who think of exercise as a ...

Nearly everyone has spent at least one night lying in bed wishing for sleep. But for many men, it's a nightly struggle. A lucky few get relief from counting sheep, watching late-night movies, or sipping warm milk (or something stronger) — but most people with insomnia need more assistance. Fortunately, lifestyle changes and behavioral treatment can help many sufferers, and medication is available for those who need it.

Normal sleep Sleep is essential for health, providing rest and restoration for mind and body. But although it's restful, sleep is actually quite complex and busy in its own right.

Sleep is ...

I have been taking selenium in the hope that it would prevent me from getting prostate cancer. But I heard on the radio that the National Cancer Institute is advising men to stop taking selenium. Should I stop it?