Neuroscience

A single brain scan can tell how fast you're aging

Any high school reunion is a sharp reminder that some people age more gracefully than others. Some enter their older years still physically spry and mentally sharp. Others start feeling frail or forgetful much earlier in ...

Diseases, Conditions, Syndromes

WHO sounds alarm on risk of chikungunya epidemic

The World Health Organization warned on Tuesday a major chikungunya virus epidemic risks sweeping around the globe, calling for urgent action to prevent it.

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