Caffeine is the most widely used stimulant in the world. For many of us, a cup of coffee or tea is almost as routine as ...

Coffee is one of the most widely consumed psychoactive substances on the planet, yet despite more than two billion cups being ...

Kelly is a food editor and writer whose work has appeared across digital and print publications including Food & Wine, Food52, Martha Stewart Living, and Real Simple. If you drink a cup (or two) of ...

10. Brewed coffee (decaf) and instant coffee (decaf) | Caffeine content: 2 mg – Standard serving size of drink: 8 oz (237 mL) – Decaf isn’t really decaffeinated. But at 2 milligrams per 8-ounce cup, ...