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Archive for March 2013

How to Pick Good Sunglasses

Posted by Kerrie Denner

By Shelley Levitt, Reviewed by Louise Chang, MD

Sunglasses can give you instant James Dean cool, Audrey Hepburn glamour, or the rock star hipness of Bono. But they are much more than a fashion accessory.

Sunglasses are an essential tool in safeguarding the health of your eyes and the surrounding tissue.

THE SCIENCE OF HAIR CELL REGENERATION

Posted by Kerrie Denner

Tiny cells called hair cells are located in the inner ears of birds and mammals, and are required for normal hearing. They are called hair cells because they actually resemble the hairs on your head. These cells convert sound information into electrical signals that are sent to the brain. Once hair cells die in mammals - including humans - hearing loss is permanent.

Brain Imaging Detects Tiny Lesions Related to Mild Injury: Study

Posted by Kerrie Denner

Timely brain imaging can detect tiny lesions caused by mild traumatic brain injury or mild concussion, according to a new study.

Researchers noted these tiny lesions are different from other types of lesions associated with more severe brain injuries or concussions. They suggested their findings could lead to the development of new treatment strategies for people who suffer mild traumatic brain injury.

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