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

In this lab, students will determine the amount of caffeine in a beverage. Students will determine the retention time of pure caffeine. From this information, students will be able to identify the ...

However, in higher amounts, caffeine may cause side effects like sweating, anxiety, sleep disturbances, and irregular heartbeats. For pregnant women, excessive caffeine can also affect fetal growth, ...

In general though, the drinks at the tippy top of the caffeine scale include blonde roast style plain coffee, a caffè ...

The FDA guideline is 400 milligrams of daily caffeine intake, which adds up to about four cups of coffee per day. Dieticians ...

"In particular, pure caffeine powder in loose form is problematic," says BfR expert Ehlers. "It is in such a high concentration that you just can't measure it with a kitchen scale." The safe ...