While caffeine is supposed to make you feel energized and alert, some people who drink coffee often feel tired after their ...

As the old saying goes, sometimes too much of a good thing can be bad. But what about when it comes to coffee?

Research finds that drinking coffee may lower the risk for type 2 diabetes in the long run. People who consume 200 to 300 milligrams of caffeine from coffee daily (roughly equal to two to three 8 ...

That amount of caffeine gives it much more kick than a grande-sized iced coffee (185 milligrams of caffeine) or a grande-sized cold brew (205 milligrams of caffeine). An iced Americano and an iced ...