Harvard Medicine News
Treasure Trove

The largest-ever study of ancient DNA reveals the shifting ancestry of Central and South Asian populations over time.

Photo of gravesite taken from above shows a skeleton and pots with a measuring stick
Early Trouble

Why do some people with TB develop active disease soon after infection, while others appear to remain healthy?

xray of pulmonary TB
Revealing the Secrets of Sleep

VIDEO: Neurobiologist Dragana Rogulja explores why we need to sleep and how lack of sleep can harm us.

photo of rogulia
Under Pressure

Incorrect discharge of patients back to their homes could put them at risk of inadequate care. A new study looks at Medicare payment reform. 

photo of hands of elderly man being held by family member
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