@kurz_gesagt: Smoking creates a temporary problem and offers an instant solution. Once your brain is used to nicotine, for up to 72 hours you are itchy, nervous and stressed – but one drag and instantly, you feel really good. But the problem with smoking is, that it is way more than just a physical addiction. Our latest video looks at what happens inside your body when you smoke, why it makes you feel so good and why it is so hard to quit. #smoking #smokers #quitsmoking #nicotine #kurzgesagt #kurzgesagt_inanutshell #learnwithtiktok #Science #biologyclass #biologytok #learnbiology