Coffee is widely known for its ... 13 People should explore alternative energy sources like herbal teas, nutrient-rich foods, and drinks. If caffeine's effectiveness decreases, it is due to ...
According to the American Medical Association, about 85% of U.S. adults consume 135 milligrams of caffeine daily, which is roughly the amount in a 12-ounce cup of coffee. While no one is ...
The Food and Drug Administration maintains a recommended daily limit of 400 milligrams for adults, approximately equivalent to three 12-ounce coffee ... of considering caffeine sources carefully ...