Excessive use of tea can result in increased blood pressure, heart rate as well as constipation. There are numerous varieties of tea, such as black tea and green tea, which are the products of the Camellia sinensis plant steeped in water, and rooibos tea, which is deriv...
Though generally considered safe to drink, tea can cause skeletal fluorosis when consumed in very large amounts, according to the New England Journal of Medicine. The caffeine content in tea can decrease iron absorption in people with anemia, though healthy individuals ...
Some of the health benefits of drinking white tea include fighting cancer, boosting the immune system and preventing the formation of plaque on the teeth, which fights tooth decay, according to About.com. However, white tea is generally more expensive than other varieti...
Drinking green tea is beneficial for lowering cholesterol levels and maintaining mental alertness. The antioxidant in green tea, catechin, is responsible for lowering cholesterol, while caffeine improves mental performance. Drinking tea moderately is safe, although some...
Dogs should not drink caffeinated tea as it is dangerous and can cause fatality. Noncaffeinated tea is safe for a dog to drink, depending on the ingredients used.
Three ingredients in Fit Tea contain caffeine, side effects of which may include irritability, sleeplessness and diarrhea. Higher doses of caffeine may worsen pre-existing conditions such as depression, panic disorder and premenstrual syndrome, states Drugs.com.
The country that consumes the most tea in the world is China. This country consumes an average of 7.25 billion tons of tea each year.