Is Your Morning Coffee Affecting Your Hearing: What Science Says
Understanding Caffeine: What It Does To Your Body Caffeine is a natural stimulant found in coffee, tea, energy drinks, and even chocolate. Many people rely on it to wake up in the morning or to stay alert during the day. When you drink caffeine, it travels through your bloodstream and affects your brain, making you feel more awake and focused. But caffeine also affects other parts of your body, including your heart, blood vessels, and possibly your ears.