9 SIDE EFFECTS OF TOO MUCH CAFFEINE
Coffee and tea are incredibly healthy beverages. Most types contain caffeine, a substance that may boost your mood, metabolism and mental and physical performance (1Trusted Source, 2Trusted Source, 3Trusted Source). Studies have also shown that it’s safe for most people when consumed in low-to-moderate amounts (4Trusted Source). However, high doses of caffeine may have unpleasant and even dangerous side …