One Major Side Effect of Drinking Too Much Coffee, Says Science
For many people, drinking a cup of coffee in the morning is an essential part of their day. And while the occasional cup of coffee may boost your energy level, focus, or even your mood, you can definitely have too much of a good thing when it comes to your coffee intake.
While the U.S. Food & Drug Administration (FDA) says that most healthy adults can safely consume up to 400 milligrams of caffeine each day—the amount you'd get in approximately four to five cups of coffee—individual tolerance can vary greatly based on…