No more excuses. A new study shows that even 3-minute brisk walks can tally up important benefits.

Plagued by chronic tension headaches? The likely cause may surprise you.

The past century has witnessed an unprecedented increase in life expectancy. But all you have to do is visit an extended care facility—AKA nursing home—to wonder if those extra years are always worth living.

Yong Zhu, PhD, is assistant professor in the Department of Epidemiology and Public Health at Yale University School of Medicine, where he has been investigating circadian rhythms and cancer risk. In a recent article in the journal Medical Hypotheses, he proposed a provocative idea: that non-Hodgkin’s lymphoma could be linked to disruptions of circadian rhythm. PDQhealth asked him to explain.

Feeding the hungry, beautifying blighted inner cities, giving kids a patch of their own to tend, and making bushels of healthy produce available to more families. Here’s an idea worth nurturing.

Just games? In fact, violent games may foster violent lives, according to studies by researchers at Iowa State University.

A calorie is a calorie is a calorie, nutritionists like to say. But the calories in beverages can add up fast without making a dent in hunger.

Percentage of people who suffer from medication over-use headaches.

That’s the guiding commandment of doctors. Shouldn’t the same apply to medications and other remedies, too? Of course it should. But new research has turned up a handful of remedies that may cause the very problem they’re supposed to treat.

A classic commercial once promoted eyedrops that “get the red out.” But this drugstore remedy can leave your eyes more bloodshot than before.