How Caffeine Works

Caffeine tricks your brain into staying awake by blocking fatigue signals. It boosts focus,... until it doesn’t. Here’s how it works, what happens in your brain and why more isn’t always better. #kurzgesagt #inanutshell #kurzgesagt_inanutshell #learnwithshorts #science #biology #caffeine #caffeinerush Sources & further reading: https://sites.google.com/view/kgs-tiktok-sources Follow us for more sciencey content! 🦆 OUR CHANNELS ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ German: https://kgs.link/youtubeDE Spanish: https://kgs.link/youtubeES French: https://kgs.link/youtubeFR Portug…