Lymphedema Treatment: Why Are Clowns So Creepy?

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Afraid of Clowns? You Aren't the Only One

CNN—Scary, and sometimes threatening, clown sightings have been occurring throughout the U.S. in recent months. Most have been harmless pranks, but the sightings have led to school closures, official warnings from law enforcement officials, and several arrests. With Halloween less than a month away, some communities have even banned clown costumes.

Longevity Is Limited, Study

Live Science—According to a new study, there is a limit to how long humans can live-although that limit is difficult to predict. The longest life documented was 122 years, and that record is not likely to be broken, according to researchers.

Why We Have Five Fingers

ScienceDaily—Scientists have believed for years that our arms and legs gradually evolved from fins as our habitat changed from water to land. In a recent study, researchers discovered two genes responsible for fingers in humans and fin rays in fish-establishing the first proven molecular link between the two types of appendage.

Flu Shot: Does Time of Day Matter?

Berkeley Wellness—Possibly, at least according to a recent study published in the journal Vaccine, which found that getting vaccinated in the morning may rev up the immune system more than when the vaccine is given later in the day.

5 Stroke Risk Factors for Women

Health After 50—You may have heard that heart attack symptoms can be different for a woman than for a man. But did you know that the same holds true for stroke? Here are five factors put women at higher risk.