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Some Veterans Find Peace Thanks To Scuba Gear, Quiet Waters

For war veterans on two separate coasts, scuba diving provides relief from physical injuries and PTSD. "It's so beautiful again," says one. "You forget everything that's above that water."

New Ebola Vaccine Is Tested In Humans, After Success In Monkeys

The vaccine was developed by researchers at the National Institutes of Health and at Okairos, a Swiss-based biotech company owned by the British drug company GlaxoSmithKline.

Volunteer Recap: Megaphones, Machetes And Unexpected Tears

At 4:30 a.m., medical student Ryan Klitgaard would wake up to a Nicaraguan newspaper vendor yelling through a megaphone. Then came a day of treating patients — and fending off dogs and chickens.

Better With Butter? Here's Why Americans Are Consuming More.

Cholesterol worries have waned as margarine's trans-fats became the new bogeyman, leading more Americans back to the real deal.

Cosmic Rays Sound Scary, But Radiation Risk On A Flight Is Small

Pilots and flight attendants in some countries are classified as "radiation workers" because of their extra exposure to cosmic rays. Scientists say these frequent fliers may face greater risks.

A Botched Circumcision Calls Attention To Kenyan Ritual

Tribal elders now receive training for safer procedures. But last month, at a 3 a.m. ceremony in the forest, an elder from the Bukusu tribe accidentally cut off a 13-year-old's penis.

Feds Hope Hitting Nursing Homes In The Wallet Will Cut Overmedication

A U.S. attorney has sued two nursing homes in Watsonville, Calif., alleging that they failed to provide the acceptable care they were paid for by the government.

The Changing Face Of West Africa Has Fueled The Ebola Crisis

Population growth, the cutting down of forests and increased mobility all contribute to the current crisis. "The virus hasn't changed," says one infectious disease expert. "Africa has changed."

Stinky T-Shirt? Bacteria Love Polyester In A Special Way

Why does that sleek polyester T-shirt reek after 10 minutes, while the old-school cotton stays relatively sweet? Polyester attracts very different microbes, which may account for that special stink.

Health Officials Hope To Speed Up Possible Ebola Cures

The World Health Organization is holding a special meeting in Geneva, Switzerland, to discuss how to fast-track the development of experimental therapies and vaccines to combat the Ebola outbreak.