Silent Heart Attack

Heart attacks that produce few if any symptoms may be mistaken for indigestion or simple malaise, but they can be more serious than heart attacks that bring crushing pain because they often don't bring a victim to the hospital for lifesaving help. Experts discuss.

18-37 Segment 1: The Coming “Hothouse Earth”

If the earth’s natural cooling systems start to fail, each could feed failure of the next, resulting in a hothouse with large portions of the planet uninhabitable. Authors of a major report on this phenomenon explain.

17-38 Segment 2: Do Cardiologists Know Nutrition?

A healthy diet is one of the best weapons against heart disease, yet new studies show cardiologists (as well as other physicians) are woefully deficient in nutritional knowledge

17-34 Segment 1: Rural Hospitals in Trouble

Experts discuss the need for rural healthcare and the close link between hospitals and community economics.

17-05 Segment 2: Power Naps at Work

Most employers believe the workplace is no place to nap, but research links a short nap in the middle of the day to increased productivity.

16-05 Segment 1: Silent Heart Attack

Heart attacks that produce few if any symptoms can be more serious than those that bring crushing pain because they often don't bring a victim to the hospital for lifesaving help.