David Schipper

Why exercise frequency, not intensity, works better for overweight people

We're developing colon cancer at record rates -- and have the scars to prove it. Fight back with this tumor-proofing plan

The experts weigh in on everything from the best beds to natural supplements. Insomniacs, prepare to crash

This forgotten mineral is always good for a lift--or a run.

Athletes who participate in endurance sports are 14 times more likely to experience a rapid, irregular heartbeat than are inactive people, say researchers at the Hospital del Mar, in Spain. The cause is uncertain, but chronic overload may thicken the heart muscle, says Lluis Mont, M.D., the study author. Dr. Mont suggests periodically taking your pulse during workouts to check for heart flutters.

The science behind all that working out you're doing

Unlike Jamie Foxx and Jessica Biel in "Stealth," the author found hurtling through the air at high speeds to be a little, um, nauseating

Head banger's bull. How to know when it's safe to get back in the game

Investigating the spammers' big promises, we discovered something truly shocking: Some of this stuff actually works

Try these tour-tested tricks for lowering any handicap

Blood is supposed to stay on the inside. When it appears in unexpected places, know when to stay calm and when to seek help.