Coffee drinking taboos

1Coffee and tea to drink with. The tannic acid in tea and coffee, iron can reduce the absorption of 75%. To use the warm water delivery service;2 tannic acid in tea and coffee will make calcium absorption reduced. So, time for tea and coffee, it is best to choose among meals;3 caffeinated beverages and food, pregnant women, a lot of drinking, will appear nausea, vomiting, headache, rapid heartbeat and other symptoms. Caffeine also enter the fetus through the placenta and affect fetal development;4 Many doctors believe that pregnant women drink 1 to 2 cups (each cup, 6 to 8 ounces) of coffee, tea or carbonated beverages, not the fetus affect the every day. However, as a precautionary measure, pregnant women may want to disable. The caffeine can lead to the increase in abortion rate, it should drink decaffeinated beverages;Want to lose weight do not drink coffee. Common partner in the coffee contain more milk, sugar and fat, coffee itself may stimulate gastric secretion, enhance food digestion and absorption, not only can not thin the waist will make you fat;6 Children should not drink coffee. Caffeine excited the children's central nervous system, interfere with the child's memory, resulting in children with ADHD;7. Tea, coffee, drinks containing carbonate is also a risk factor for peptic ulcer disease;Tight trouble caffeine helps to improve alertness, sensitivity, memory and concentration. However, drinking more than the amount of the habit of drinking more than your usual coffee, will have a similar consumption of the same dose of stimulant, can cause nervousness. For the tendency to anxiety disorders, caffeine can cause sweating palms, heart palpitations, ringing in the ears of these symptoms worsen; aggravate hypertension caffeine itself has analgesic effects, often associated with other simple analgesics synthetic compound, but large doses, if you itself also has hypertension, the use of large amounts of caffeine will only make your situation even worse. Alone, caffeine can make blood pressure rise, when coupled with emotional stress, will have a multiplying effect of the risk, therefore, the population at risk of hypertension in particular, should avoid drinking caffeinated beverages in work pressure . Some perennial drink coffee habit, thought that the effect of caffeine has been immune, however, is not the case, a study shows that a cup of coffee, high blood pressure up to 12 hours;10-induced osteoporosis, caffeine itself has a good diuretic effect, if long-term and a lot of coffee, likely to cause bone loss, have an adverse effect on the preservation of bone mass in women, may increase bone the threat of osteoporosis. But the premise is that the usual food was lack of adequate intake of calcium, or not moving, coupled with post-menopausal women, due to lack of estrogen caused by the loss of calcium, these plus a lot of caffeine , it may pose a threat on bone. In accordance with a reasonable amount of enjoyment, you can still do not unworthy. .