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What? Evidence on iPod-Related Hearing Loss Challenged

New studies are challenging the link between personal MP3 players and hearing loss among adolescents. Full story

Hands-only CPR saves more lives in cardiac arrests

A new study finds bystanders saved more lives using hands-only CPR than those using traditional CPR with mouth-to-mouth breathing. Full story

Mom was right: You are what you eat

There's one change everyone should make this year: Choose real, whole foods over processed, fake ones. Nutrition doc David Katz tells you why this approach guarantees lifelong health. Full story

Heart risks found for diabetes medicine

   Studies released in the Journal of the American Medical Association and the Archives of Internal Medicine found significant heart risk for people taking the type 2 diabetes medication Avandia. NBC's Robert Bazell reports.

Clues found to sickest swine flu cases

Rapidly worsening breathing problems in the sickest swine flu patients in Mexico and Canada present a scary worst-case scenario and could foreshadow what U.S. doctors face as winter flu season sets in, new reports suggest. Full story

Aspirin reduces death risk from colon cancer

   Aug. 11: A new study published in the Journal of the American Medical Association shows colon cancer patients who took an aspirin a day reduced their risk of death from the disease by up to 30 percent. NBC's Brian Williams reports.

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