20 ways to have a healthier summer: we know what you ate last summer — and drank — and all the other risky things you did. This year, keep safe and fit with these tips

Shape, July, 2002 by Ron Geraci

20. Take a lesson before riding that rented Jet Ski. "People assume it's like riding a bike, so they start jetting around as fast as they like," Price says. "But they don't realize that Jet Skis have no brakes. Until they smash into the side of a boat at full speed."

Ron Geraci is a features editor for My Generation and a columnist for Men's Health.