refreshing coffee drinks many people, moderate drinking on the health condition is OK, earlier U.S. study that more pregnant women drink the right amount of coffee a day will not increase the risk of miscarriage. However, some experts believe that more adult children of low ability to break down caffeine, excessive intake may make heart rate, tremor and quality of sleep, so women and children should be careful to drink.

nitrogen alkaloid caffeine coffee which will help stimulate the central nervous system by refreshing, but will also stimulate the brain to relieve the emotional dopamine secretion. “Once the loss of caffeine stimulation, mental state will fall short of potential headaches, lack of concentration, etc., after the body to adapt, it will slowly return to normal.” Huang Rongjun senior nutritionist, said. Brain and central nervous system stimulant effects of caffeine, do not recommend eating two hours before going to bed with the relevant components of the food. Caffeine can make heart beat faster, speeding up blood circulation, people with cardiovascular disease should be used with caution.

Although recent foreign organized means that pregnant women consume 200 milligrams of caffeine per day (about a cup of 354 ml of coffee) will not significantly increase the risk of miscarriage or premature birth, but Huang said that the pregnancy early fetal development has not yet stable, ready to pregnant or recently pregnant woman is advised to reduce caffeine intake, to ensure safety.

brewed coffee taste bitter, the children mostly do not like to drink, so many people will ignore the effects of caffeine on children's health. In fact, chocolate, soft drinks, tea and energy drinks all contain caffeine. The other children of the ability of caffeine metabolism and decomposition slower than in adults, drink before bedtime can make over-active brain nerve, affecting the quality of sleep. “Caffeine can increase calcium loss, bone in children growing season, too much caffeine intake of adverse bone health. Menopausal women, elderly persons should not drink often, or easily increase opportunities for osteoporosis.”

on the caffeine-sensitive people, eating the food, headache, accelerated heartbeat unusual, and even shortness of breath symptoms, such persons must be carefully controlled diet. Daily caffeine intake for adults is not recommended more than 300 milligrams, about two cups 250 ml of coffee per day children should not take more than three to five milligrams per kilogram of body weight of caffeine, for example, children weighing 30 kg , daily intake should not exceed 90 to 150 milligrams of caffeine, about two to four cans of coke drinks. Parents should pay attention to the weight of their children to drink cola beverages, which may be the majority of children the main source of dietary caffeine.

(taken from Hong Kong “Sing Tao Daily”)