Caffeine, Health, and the Human Body

Caffeine is estimated to be the most widely used legal psychoactive drug in the world. About 85% of US adults consume caffeine daily, averaging about 135 mg per day, or about a 12 fl oz cup of coffee. This video explores what caffeine is and some ways it affects our bodies. Click https://ja.ma/33kz9cP to read the associated Patient Page. For links to related articles and multimedia and a video transcript, visit https://ja.ma/3GR0gKe. Links to source references are embedded in the transcript. 0:00 Introduction 0:54 What is caffeine? 2:28 How long does caffeine stay in the body? 3:34 How much is too much caffeine? 5:21 Caffeine tolerance and dependence 6:47 Caffeine overdose and toxicity 7:37 1200 mg of caffeine