Plus, find out which tea has the highest amount of caffeine, according to the experts. How much more caffeine does tea have ...

L-theanine is also present, in lower concentrations, in black tea. There’s less research on the effects of coffee on stress, but researchers have found moderate to high amounts of caffeine are ...

Green tea is not naturally caffeine-free. Green tea contains an average of 29 milligrams (mg) of caffeine in an 8-ounce cup, ...

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 ...

Discover the top 5 impressive health benefits of Yerba Mate, a popular South American tea known for its antioxidant, ...

Well, we know that smoking is injurious to health but do you know that drinking tea and smoking cigarettes daily can cause ...

You probably never think of coffee, tea, and energy drinks like Red Bull or even Coca-Cola as drugs – but that’s exactly what they are. All of these drinks contain caffeine, a naturally ...

4 at 6:05 a.m. Do you start your mornings with a potent dose of caffeine from a freshly brewed cup of Joe? Or do you prefer a slightly less caffeinated nudge from a warm and gentle cup of tea?

These tiny bottles, or "shots," contain nearly the same amount of caffeine as a cup of Starbucks, which is closer to four cups of regular coffee. Each 2-ounce shot has about 215 mg of caffeine.

If you’ve been going to the gym, there is a chance you might be consuming a pre-workout supplement as well. These usually ...

Some studies have shown that caffeine in coffee and tea may reduce dementia risk by a small amount, while other studies show no effect or a slightly increased risk. A lifelong approach to good health ...