1, refreshing, drinking tea often helps to refresh and prevent Alzheimer's disease. Caffeine in tea can promote the excitement of human central nervous system, enhance the excitement process of cerebral cortex, and enhance thinking and memory. The elderly can also prevent Alzheimer's disease by drinking tea regularly. However, it is not recommended to drink strong tea before going to bed, and people with insomnia had better not drink tea either.

2. Toxins decompose quickly. Tea contains a lot of theophylline and caffeine, which has diuretic effect and can alleviate the problems of body edema and water retention. Tea polyphenols can kill Escherichia coli and mold and protect gastrointestinal tract. At the same time, the vitamin C contained in it has the effect of promoting blood circulation and removing blood stasis, and preventing arteriosclerosis; In addition, the caffeine contained in it can relieve bronchospasm and relax smooth muscle, which is helpful to treat bronchial asthma and myocardial infarction.

3, slimming and losing weight, often drinking tea can help people lose weight, because the calorie of tea is very low, almost negligible, very suitable for people who are losing weight. Although there is no scientific experiment to prove that tea can inhibit the absorption of fat. The active factors in tea can promote the decomposition of excess fat in the body and take away excess fat, thus achieving the effect of slimming.

4, the intestines are healthier, and drinking tea often can help people's intestines to be healthier. Tea also contains substances such as tea polyphenols, which can help the intestines to exercise better and avoid harmful substances staying in the intestines for a long time. Moreover, the active ingredients in tea can sterilize and better ensure the intestinal health.