Tea can improve your dental health. Not just because drinkers are brushing more often to remove stains. Tea contains tannins which can stimulate saliva production which inhibit bacteria growth keeping teeth and gums healthy.
Tea does hydrate you. Contrary to popular belief tea does actually help improve overall hydration despite containing caffeine. Caffeine is a diuretic but it is only problematic when people drink 6-9 cups of tea at a time- and that is a lot of tea. Otherwise- tea can be a flavorful way to boost hydration without adding unnecessary calories or fat.
Tea can protect against cancer. It is the polyphenols and antioxidants found in tea that have been found to help protect against cancers. These amazing chemicals prevent damage at a cellular level that can develop into malignancies.
Tea increases metabolism. Drinking tea may help maintain a youthful figure. While it will not melt fat and weight away, drinking tea has been shown to boost the metabolic rate of regular tea drinkers.