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 ...

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 ...

Few choices feel as critical as the one concerning what beverage to consume at 2 p.m., a time of day when ordering cold brew feels a bit like playing Russian roulette with my sleep schedule, but going ...

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 ...

Discover how big of a difference caffeine makes.