What harm does drinking iced black tea for a long time have to the body?

Drinking iced black tea for a long time will affect the function of the stomach and is prone to gastritis or peptic ulcer. In addition, iced black tea has a higher sugar content. Too much sugar will turn into fat, increase weight and lead to obesity. Affect normal health.

In addition, the beverage also contains minerals, pigments, preservatives, various additives, organic acids and so on. , it will cause corrosive damage to teeth, increase the burden on kidneys and affect nutrient absorption. Not suitable for fever, renal insufficiency, cardiovascular diseases, habitual constipation, digestive tract ulcer, neurasthenia, insomnia, pregnant women, lactating women and children.

Extended data:

The efficacy of iced black tea:

1. Anti-cancer and anti-aging

Tea is rich in vitamin A and vitamin E, and contains a variety of anti-cancer and anti-aging trace elements. It is a natural bodybuilding drink, which helps to keep skin smooth and tender, reduce wrinkles, resist oxidation, prevent radiation, improve immunity and prevent tumors. Tea also has the functions of refreshing the brain, invigorating the spirit, enhancing immunity and eliminating fatigue.

2. Prevention of osteoporosis

On May 3rd, 2002, the American Medical Association published a survey. The results show that people who drink black tea have strong bones, and polyphenols in black tea have the activity of inhibiting and destroying bone cells. In order to prevent and treat the common osteoporosis in women, it is suggested to drink a small cup of black tea every day for several years, which has obvious effect. If lemon is added to black tea, the bones will be strengthened and the effect will be stronger. Various fruits can also be added to black tea, which can play a synergistic role.

3. Anti-aging

American magazines report that black tea has stronger anti-aging effect than garlic, broccoli, carrots and cabbage. Drinking black tea with vegetables, fruits, butter, milk and eggs at the same time is called a healthy and reasonable eating habit. But at the same time, we should also pay attention to avoid eating too much calories and sugar.

4. Prevention of myocardial infarction

The osaka city university experiment in Japan pointed out that after drinking black tea 1 hour, the blood flow velocity of the heart increased, which confirmed that black tea had a strong role in preventing and treating myocardial infarction.

Prevent catching a cold

Black tea also has various antibacterial effects to prevent colds. Flavonoids in black tea have antibacterial effects such as killing poisonous bacteria in food and making influenza virus infectious. In addition to preventing colds, some people gargle with black tea when a cold causes a sore throat.

References:

Baidu encyclopedia-iced black tea