L-theanine is an amino acid. While more research is necessary, possible benefits include managing anxiety, relieving stress, and reducing insomnia. L-theanine is primarily found in green and black tea ...

Green tea can reduce the risk of lung cancer in smokers. Benefits were also seen in non-smokers. Drinking green tea could modulate the effect of smoking on lung cancer. Results of this hospital-based, ...

Green and black tea have similar health benefits, such as boosting alertness and protecting heart and brain health. Both are high in antioxidants but differ in their components. One isn’t necessarily ...