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Mar 19, 2022 · By Mayo Clinic Staff. If you rely on caffeine to wake you up and keep you going, you aren't alone. Millions of people rely on caffeine every day to stay alert and improve concentration. How much is too much? Up to 400 milligrams (mg) of caffeine a day appears to be safe for most healthy adults.
Mar 19, 2022 · While past studies hinted that coffee might have a dark side, newer research suggests that it may actually have health benefits. Why the reversal? It's hard to look at just one aspect of diet and connect it to a health condition because so many other factors that could play a role.
May 20, 2024 · Do you consume caffeine moderately? Assuming you’re not experiencing side effects like anxiety or stomach upset, up to five or six cups of coffee (about 600 milligrams of caffeine) is safe and potentially beneficial for most healthy adults. Keep in mind that the actual caffeine content in beverages varies widely.
Apr 26, 2022 · Up to 400 milligrams of caffeine a day is considered safe for most adults. However, people's sensitivity to caffeine varies. If you're bothered by headaches, restlessness or anxiety, you may want to reevaluate your caffeine intake.
Jan 19, 2024 · While consuming some caffeine is OK, too much can cause side effects, including: Fast heartbeat. Headaches. High blood pressure. Insomnia. Muscle tremors. Adolescents and young adults must be cautious when drinking caffeine, and children should avoid it altogether.
Oct 24, 2024 · Drinking coffee —up to four or even five cups a day — also offers a number of lesser known health benefits that can impact the entire body. “In coffee drinkers, there’s a decreased risk of type 2 diabetes, Parkinson’s disease, liver disease, certain cancers including liver cancer, depression and suicide, kidney stones and gallstones ...
Nov 7, 2017 · Is coffee good or bad for us? How much is too much? Can it stunt growth? Donald Hensrud, M.D., director of Mayo Clinic's Healthy Living Program, provides answers to these much-debated questions.