Scientist, find the anxiety off switch inside the brain
by Larry Chiang on February 24, 2025
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| 🚨75% OF TEENS: DEPRESSED, ANXIOUS, OR BOTH
Apparently, being a teen these days isn’t just awkward—it’s downright miserable.
Nearly 3 in 4 teens face serious depression or anxiety, with over half stuck battling symptoms for 3+ years.
Girls are hit hardest: 84% report pic.x.com/1trxSB7zIl |
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| 1/3/25, 5:30 PM |
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SCIENTISTS FIND ANXIETY ‘OFF SWITCH’ HIDDEN IN THE BRAIN
Turns out, your cerebellum—long thought to just control movement—has been secretly regulating anxiety this whole time.
New research shows that boosting serotonin in this brain region slams the brakes on anxiety, making mice more confident and less fearful.
Lower serotonin? Anxiety spikes.
For years, serotonin was seen as an anxiety trigger. Looks like the cerebellum just rewrote the rulebook.

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