Medical research

Solving a biological puzzle: How stress causes gray hair

When Marie Antoinette was captured during the French Revolution, her hair reportedly turned white overnight. In more recent history, John McCain experienced severe injuries as a prisoner of war during the Vietnam War—and ...

Diseases, Conditions, Syndromes

Q and A: Breaking down acute and chronic pancreatitis

I'm in my late 50s and was recently diagnosed with pancreatitis. My symptoms came on suddenly. My wife is concerned my symptoms may develop again, and she wants me to have testing to determine the cause. What are the testing ...

Medical research

A potential active ingredient for nerve regeneration

Nerve fibers (axons) transmit brain and spinal cord signals through nerves to target muscles or skin, and vice versa. Damage to these fibers thus leads to a disruption of connections and, consequently, to paralysis or numbness. ...

Gastroenterology

Engineered probiotic can 'sense' inflammatory bowel disease

Northwestern Medicine scientists have developed an engineered probiotic capable of detecting inflammatory bowel disease, according to a study published in the Proceedings of the National Academy of Sciences.

Ophthalmology

Mayo Clinic Minute: Learn more about eye shingles

Shingles is caused by the varicella-zoster virus—the same virus that causes chickenpox. If you've had chickenpox, the virus can lie dormant in your body's nerve tissue for years when suddenly it's triggered by stress or ...

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