Effect of Caffeine on Teens Whether you're hanging out with friends or cramming for a test, you might be tempted to pick up a can of your favorite caffeinated beverage. Are you aware of the effect it has on your body? Do you know how it can affect your health? According to the Teen Treatment Center, consuming too much caffeine can cause "agitation, anxiety, shakiness, dizziness, sleep disturbances, upset stomach, rapid heart rate, headaches, and or put you in the hospital. It can also cause bone loss and upset existing heart problems. It's important to drink caffeine in moderation. You need to be aware of the amount of caffeine in serving size and how much you're drinking at one time.
