First, green tea contains tea polyphenols, which are anti-cancer, making green tea the best among all beverages in this regard; second, green tea contains fluoride, which not only strengthens teeth but also eliminates cavities and plaque; third, green tea itself contains tea tannin, which improves vascular elasticity, making blood vessels less prone to rupture.

Reference numbers: If you drink 4 cups of green tea daily, cancer cells do not divide, and even if they do, division is delayed by over 9 years; in hospitals, 1 out of every 4 deaths is due to cerebral hemorrhage, which is very dangerous. Drinking green tea is a good preventive method.

In Japan, elementary school students drink a cup of green tea as soon as they arrive at school, but we do not. Nowadays, some people start losing teeth at age 30, and by 50, all teeth are gone... When we visit Europe, we see everyone has good teeth. Think about it, if your teeth are healthy, you will naturally live longer. Many of us overlook this, but it’s actually very simple: rinsing your mouth with tea water can eliminate plaque and strengthen teeth. By old age, your teeth will remain strong and free from cavities. This is a small habit worth sticking to.