Coffee is one of the most popular drinks in the world and its high levels of caffeine are among the main reasons why. It's a natural stimulant that provides an energy buzz and we just can't get enough ...

Caffeine is generally safe to drink up to 400 milligrams a day, according to the Food and Drug Administration (FDA). That's equivalent to about four or five cups of coffee. For the average person, ...

Caffeinated coffee and decaffeinated coffee each have advantages and disadvantages when it comes to energy, heart health, weight loss, mood, and sleep.

Lauren Ball works for The University of Queensland and receives funding from the National Health and Medical Research Council, Queensland Health and Mater Misericordia. She is a Director of Dietitians ...