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, ...

For people avoiding caffeine, decaf coffee seems like a harmless option. But some health advocacy groups that argue otherwise are petitioning the US Food and Drug Administration to ban a key chemical ...

Drinking coffee is a global habit. Around the world, people sip about 3 billion cups a day, making the industry more than $200 billion a year. In the United States, just about 15% of the coffee ...