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 ...

Health

Study reveals unexpected importance of the thymus in adults

The thymus gland—which produces immune T cells before birth and during childhood— is often regarded as nonfunctional in adults, and it's sometimes removed during cardiac surgery for easier access to the heart and major ...

Immunology

Study shows breast milk contains unique set of antibodies

Breast milk from each individual contains a unique assemblage of antibodies that are surprisingly stable throughout lactation and across pregnancies, according to a new Journal of Experimental Medicine study from the University ...

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