Heart and Vascular Health Infographic: Crazy for Caffeine By Heart and Vascular Institute, September 16, 2014 Caffeine – it’s the burst of energy we need to get up in the morning, and the push that is essential to get us through the day. It is naturally found in coffee, tea, soda, and chocolate, and can be hidden in anything from pain relievers to energy water. While you may relish your first morning cup of java — and your mid-morning cup, and your afternoon cup, and so-forth — too much of a good thing can have its downside. Caffeine is a stimulant that jolts your body awake, but can cause a variety of side effects. Some people claim to be “caffeine addicts,” usually in jest, but experience “withdrawal” symptoms (such as headaches and irritability) that mirror those of people who are being weaned off of other, more harmful substances. Check out the infographic below to find out how caffeine can affect your body, including your heart.