The information available on caffeine these days is very confusing. Some sources advocate caffeine drinks as “energy” drinks. Some recommend caffeinated drinks but suggest avoiding the “additives” in caffeinated drinks – sugar, fat, vitamins, and amino acids. Others claim that caffeine is addictive with nasty side-effects. Others condemn caffeine in all forms and for all purposes. What’s the truth about caffeine?
First fact: Caffeine is not an “energy” producer! True energy comes from a source of calories which can be burned by the body. Caffeine does not produce energy.
Green tea contains polyphenols and other antioxidants that many people think will help to protect them against cancer.
It's true that breast cancer rates are lower in several Asian countries where green tea is commonly consumed, compared to rates in the United States where breast cancer is one of the most common cancers among women.