Tea is a good habit, particularly in the face of the computer time is not conducive to healthy people eyes. Experts say: tea a day can reduce the radiation is not only against, but also conducive to protect your eyes! However, following the 10 categories of people is not suitable for tea, compared to what you own not one of them:
Iron deficiency anemia
The tannic acid in tea can affect the body's absorption of iron, so that anemia increase.
Neurasthenia were
The caffeine in tea make people excited, causing increased basal metabolism, increased insomnia.
Activity in patients with gastric ulcer
Caffeine to stimulate gastric secretion, aggravation of disease, affecting ulcer healing.
Urinary calculus
Of oxalic acid in tea will lead to an increase in stone.
Liver dysfunction were
Most of caffeine metabolism by the liver and liver dysfunction of people drink tea, will increase the burden of the liver.
Constipation
Tanning Po there is convergence effect can be reduced bowel motility, increased constipation.
Lactating women
Caffeine breast milk into the baby through the body, so that infants intestinal cramps, anemia, also influence a child's sleep.
Heart disease
Tea drinking too much, cause rapid heartbeat, and some arrhythmias can occur.
Pregnant
Tea drinking too much, cause baby thin frail.
Drunk
Of alcohol on cardiovascular stimulation much, caffeine can speed up the heartbeat, which together play a role in right heart function with a poor, very dangerous
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