The Dangers of Weight Loss Injections

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Transcript

00:00This injection won't make you feel hungry anymore.

00:03The weight drops, but here's the catch.

00:0640% of that could be muscle.

00:08Inside your gut, there are tiny sensors called L-cells.

00:11When you eat, they send a hormone called GLP-1 to your brain.

00:14It basically says you're full, stop eating.

00:17Scientists thought, what if we gave people extra GLP-1?

00:22Turns out, hunger went way down and blood sugar levels remained stable.

00:26But when people lost weight, a big chunk was muscle, not just fat.

00:29And when they stopped taking it, they gained 70% of the weight,

00:33but mostly as fat, not muscle.

00:35So if you're on it, lift weights and eat more protein.

00:37Because losing weight is cool, but losing strength, not so much.