Nerve Damage

The risks and benefits of tanning

Eighty years ago, when sun exposure was first associated with skin cancer, popular culture was exalting tanning by emphasizing that a "fine brown color suggests health and good times, and is a pleasant thing to see."

Feb 11, 2016
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Why smiles (and frowns) are contagious

Smile! It makes everyone in the room feel better because they, consciously or unconsciously, are smiling with you. Growing evidence shows that an instinct for facial mimicry allows us to empathize with and even experience ...

Feb 11, 2016
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You can train your body into thinking it's had medicine

Marette Flies was 11 when her immune system turned against her. A cheerful student from Minneapolis, Minnesota, she had curly brown hair and a pale, moon-shaped face, and she loved playing trumpet in her high-school band. ...

Feb 09, 2016
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In rebuilding noses, age-old practice lives on

Sam Most has rebuilt nearly 1,000 severely damaged or destroyed noses over the past 15 years, in many cases using a surgical technique commonly called the "forehead flap" that dates from ancient times.

Feb 08, 2016
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Nerve injury is injury to nervous tissue. There is no single classification system that can describe all the many variations of nerve injury. Most systems attempt to correlate the degree of injury with symptoms, pathology and prognosis.[citation needed] In 1941, Seddon introduced a classification of nerve injuries based on three main types of nerve fiber injury and whether there is continuity of the nerve.

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Language juggling rewires bilingual brain

Bilinguals use and learn language in ways that change their minds and brains, which has consequences—many positive, according to Judith F. Kroll, a Penn State cognitive scientist.