Some research shows green tea made with older leaves contains less caffeine than teas made with fresh leaves. It is important to note that drinking too much green tea is possible. Consuming large ...

Beyond its energizing effects, caffeine can also influence cognitive performance, memory, mood regulation and even long-term ...

The question is: how much tea is good for you? Black tea contains less caffeine than coffee, which is why people with caffeine sensitivity can sometimes enjoy tea even though they can’t manage ...

A cup of green tea typically contains 30 to 50 mg of caffeine [0.2mg of caffeine per ml] “Compared with coffee and black tea, green tea has less caffeine,” says Prof Spector.

A 2017 meta-analysis of 17 studies found that green tea polyphenols may limit bone loss, especially in women who don't drink alcohol or smoke. One 2009 study suggests that green tea may help prevent ...

Dr. Ehlers warns that pure caffeine powder is especially dangerous. It’s so concentrated that normal kitchen scales can’t ...

Caffeine, found in coffee, tea, cola, chocolate, and energy drinks, affects the body in several ways. It stimulates the brain ...

The NHS advises “drinking too much caffeine can make you more anxious than normal”. So reaching for decaf is best when you’re looking to relax. It’s fine to drink tea and coffee as part of ...

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 ...