Jealousy may be the most mind-altering emotion a man can experience. Whether it leads to ruin or redemption, scientists say, depends on him and the woman he loves.

If you want tastier, safer meals, dine with animals that lived well and died happy.

Cheap, mass-produced pies from Pizza Hut, Papa John's, Little Caesars, and Domino's have infiltrated our planet, making these companies very rich and billions of people too poor to afford a single slice. Is your appetite part of the problem?

After a blood clot infiltrated his gray matter, the Prairie Home Companion host started thinking seriously about sex (and other important stuff).

The urologist diagnosed his prostate cancer. A high-tech robot removed the diseased organ. Then came two common aftereffects: sexual dysfunction, and nagging questions. Was it all a monstrous mistake?

Car crashes happen to other guys, right? Maybe they don't have your quick reaction time or uncanny ability to multitask behind the wheel. Or maybe they're simply lesser drivers. If you believe that, let us introduce you to Adam LaBar, 1970-2008. We suspect you'll recognize him. We hope you'll learn from him.

The White House has a radical solution for improving our eating habits.

In the hills of Mexico, a tribe of Indians carries an ancient secret: a diet and fitness regimen that has allowed them to outrun death and disease. We set out to discover how the rest of us can catch up.

He's a rock-star mogul and family man, political activist and philanthropist, with a number one album . . . but he's still spooked by elevators.

To judge by the amount of research money it eats up, man's most dreaded condition isn't heart disease or cancer. It's baldness.