Health News

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 lost color in his hair. For a long time, anecdotes have connected stressful experiences with the phenomenon of hair graying. Now, for […]

Health News

What it’s like to live without a sense of smell

The smell of cut grass, freshly baked bread, childhood memories, lost loved ones, Christmas. What happens when it’s all gone? A new study from the University of East Anglia reveals the huge range of emotional and practical impacts caused by a loss of smell. It finds that almost every aspect of life is disrupted—from everyday […]