Medications

Semaglutide: Beware of buying the weight-loss drug online

A few years ago, celebrity weight-control practices were out of most people's reach. Live-in chefs and personal trainers, not to mention elaborate surgical procedures like the Brazilian butt lift, were not real options for ...

Radiology & Imaging

Biodegradable ultrasound opens the blood-brain barrier

A new, biodegradable ultrasound far more powerful than previous devices could make brain cancers more treatable, University of Connecticut researchers report in the June 14 issue of Science Advances.

Surgery

Study reveals mechanics of the ideal surgical knot

Think about the last time you tied your shoe: maybe you tied it tightly, or tied multiple knots to ensure the laces wouldn't come undone. You likely relied on intuition to tell you how much tension to apply to keep the laces ...

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