Many older women get bone scans every two years to look for signs of osteoporosis. But for the vast majority of people, the repeat scans don't detect significant changes. New research suggests it may make sense to stop or slow down on the scans after people have had an initial test.

Since emerging last year in the Middle East, a mysterious virus has infected at least 132 people and killed 58. But it's still unknown how people get infected. A genetic analysis now suggests that animals may have repeatedly infected people with the deadly virus.

The region has an alarmingly high incidence of rotted teeth, and heavy soda consumption is a big reason why, dentists and health advocates say. So they're beginning to target the food stamp program to ban recipients from buying soda with their vouchers.

Six percent of high school seniors say they often drink 15 drinks or more in a row. This extreme binge drinking accounts for high rates of emergency room visits by teen drinkers, researchers say, and poses a health risk that until now hasn't been adequately measured.

The event was part of the third annual nationwide "Muslims for Life" blood drives that will be held through October 11.