Long-term drinking tea has what effect to the body

Tea contains

caffeine, which can stimulate nerves

. Drinking tea in large quantities for a long time can easily lead to nervous system dysfunction,

insomnia, dreaminess and other symptoms

3

. Increase

. Tannin in tea has the effect of interfering with the body's absorption of iron. Drinking tea in large quantities for a long time can lead to iron deficiency in the body, thus inducing iron deficiency anemia.