Reno, Nevada (NAPSI) - Most of us feel alert when it’s light outside and want to sleep when it’s dark. Light is the cue that helps our internal body clock or “master body clock” synchronize to the 24-hour day. In people with a circadian rhythm disorder, however, the timing of this clock is disrupted, causing our rhythms to get out of sync.

San Antonio, Texas (NAPSI) - Have you ever looked at a telephone pole and noticed it to be less than straight? Have you detected a loss of your peripheral vision, making it easier for people to startle you or making driving with confidence more difficult?

Yuma, Arizona (NAPSI) - Good news for the estimated one in five allergy sufferers who have pets: There are ways you and your pet can live together. The experts at the American College of Allergy, Asthma and Immunology suggest you:

San Antonio, Texas (NAPSI) - Stroke is a leading cause of death and serious long-term disability in the U.S., killing more than 133,000 people each year. Unfortunately, many Americans do not recognize the signs of stroke, ignore their symptoms or do not call 9-1-1.

Phoenix, Arizona (NAPSI) - A recent survey by the American Sexual Health Association revealed a troubling lack of information about a potentially serious but readily curable condition.

Chicago, Illinois (NAPSI) - Star athlete and Olympic gold medal winner Misty May-Treanor has some advice for the 80 million Americans who develop cold sores: “Don’t tough it out, knock it out.”

Phoenix, Arizona (NAPSI) - The earlier breast cancer is detected, the more treatable it is. Considering one in eight American women can expect to develop breast cancer at some point in her life, access to the best screening technology for early detection is critical.