Health

The hunt for botanicals

Herbal medicine can be a double-edged sword and should be more rigorously investigated for both its beneficial and harmful effects, say researchers writing in a special supplement of Science.

Health

More patients getting lab-grown body parts

By the time 10-year-old Sarah Murnaghan finally got a lung transplant last week, she'd been waiting for months, and her parents had sued to give her a better chance at surgery. Her cystic fibrosis was threatening her life, ...

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