Unlike coffee, which always wakes you up, tea can either give you a boost or put you to sleep. But why does tea have such drastically different effects?

The thinking that coffee dehydrates you comes from the fact that caffeine is a diuretic, which makes some people pee. Learn ...

However, the tea contains very small amounts of these nutrients, so it’s unlikely to make a large contribution to your diet on its own. At 80 milligrams (mg) of caffeine per cup, yerba mate ...

In a small human trial, 12 adult males without obesity were placed in groups to drink either oolong tea, caffeine, or a placebo two times a day for two weeks. Through testing called indirect ...

Chronic consumption of high levels of caffeine a day can lead to an increase in high heart rate and blood pressure that persists after resting from a step test, increasing the risk of cardiovascular ...

Caffeine is naturally present in the seeds, leaves, and nuts of several plants, including cacao and coffee beans, guarana seeds, and tea leaves. These plants also contain other nutrients and ...

Green tea varieties include sencha, matcha, gyokuro, longjing (dragon well ... Black tea has more caffeine than green tea but fewer health-promoting catechins. Black tea varieties include Earl ...

Green tea: The all-rounder Green tea varieties include sencha, matcha, gyokuro, longjing (dragon well ... giving them their hallmark black color. Black tea has more caffeine than green tea but fewer ...

Traditionally, people use lemon balm tea to help improve mood, slow cognitive decline, and decrease anxiety levels. It may also help with insomnia, relieve menstrual pain, and support ...