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Periodontitis is an inflammatory gum disease driven by bacterial infection and left untreated it can lead to complications including tooth loss. The disease has also been associated with diabetes mellitus, preterm birth, cardiovascular disease, rheumatoid arthritis and cancer. One of the chief bacterial culprits behind periodontitis is Porphyromonas gingivalis, which colonizes biofilms on tooth surfaces and proliferates in deep periodontal pockets. Matcha, a finely ground green tea powder, may help keep P. gingivalis at bay. Researchers in Japan report that matcha inhibited the growth of P. gingivalis in lab experiments. In addition, in a clinical study involving 45 people with...

Matcha can boost mood and mental performance in humans and mice alike. Researchers evaluated the anti-depressive effects of Matcha tea powder in mice. The powder activates dopaminergic neural circuits and improves depression in certain mice, depending on the animal's prior mental state. Although the onset of depression varies among individuals, it is believed that the disease commonly stems from a reduction in dopamine in the brain. Dopamine plays an important role in elevating one's mood. And while various antidepressants have been developed to counter the effect of low dopamine, these have many side effects. Consumption has shown to improve anxiety-like...

I recently tried green tea for the first time and immediately became addicted to it. I must be drinking 10 cups a day and would probably drink more if I didn't care about sleeping at night. Being new to green tea I know little of the different types, quality, preparation, etc.. and was hoping some knowledgeable Freepers could point me in the right direction by recommending some of the better teas and/or links to any good web resources. Currently I've only tried two- both bought in regular Supermarkets so I'm guessing they are not higher quality teas. One of the...