A study published in the American Journal of Physiology-Regulatory, Integrative and Comparative Physiology tested the regular intake of green tea (four cups per day), and found that over 10 weeks, endurance exercise performance was boosted up to 24%. The study also noted that the 8-24% increase in swimming time-to-exhaustion was "accompanied by lower respiratory quotients and higher rates of fat oxidation."

A study published in the The Journal of Experimental Dermatology stated that the Medical College of Georgia researchers found that green tea slowed the growth of skin cells. Previous research has also shown that Green Tea helps suppress inflamation in the skin.

A study presented at a meeting of the American Society for Microbiology suggests chemicals in tea can destroy bacteria and viruses that cause throat infections, dental caries and other dental conditions. Another study looked at chemicals in tea known as polyphenols. Experiments showed they slowed the growth of bacteria associated with bad breath.

A study published in The Journal of American Medical Association found that the heart disease death rate from participants who drank more than five cups of green tea daily is 26 percent lower. In addition, researchers found that the benefits of green tea appeared to be stronger in women than men.

A study published in The American Journal of Clinical Nutrition found that those who reported drinking the most green tea were least likely to show cognitive impairment. Drinking at least two daily cups of green tea was tied to the lowest risk of cognitive impairment in the study.

A study published in the Journal of Cancer Biology and Therapy showed that green tea is effective in delaying tumor incidence as well as in reducing the tumor burden. Green tea was found to inhibit growth of tumors as well as induce death of breast cancer cells. Drinking Green Tea has also been found to cut the risk of prostate cancer in men in half.