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In 2025, doctors approved a brand-new kind of medicine that calms pain messages before they ever reach the brain, without using the strong opioid drugs doctors usually worry about.
Pain messages travel through your nerves to reach your brain, which is exactly why the correct answer is your nerves. Nerves work like tiny electrical wires spread throughout your body, and when something hurts, that spot sends an electrical signal racing along nerve pathways up to your brain, which then makes you feel the ouch.
Your hair and fingernails don't carry any signals at all, they're made of a tough protein and have no nerve connections, which is part of why cutting them doesn't hurt.
The new pain medicine mentioned works by calming these nerve signals down before they ever reach the brain, offering relief without using strong opioid drugs, which is exciting to doctors because it may help people manage pain more safely.
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