Women often drink coffee, okay? the eight advantages and disadvantages of coffee?

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The benefits of drinking coffee:

* refreshing-Coffee contains coffee because it stimulates the central nervous system of the brain, clears the mind, increases concentration, improves work and learning efficiency, and improves people's agility during exercise.

* accelerate fat decomposition-caffeine can accelerate fat decomposition, promote the body's metabolism, and increase heat consumption.

* help digestion-caffeine stimulates the sympathetic nerve and increases gastric juice secretion.

* diuresis-caffeine has a diuretic effect and can increase urination.

* Anti-melancholy-A small amount of coffee can make people excited, happy and relieve melancholy.

* increase good cholesterol-drinking coffee can increase high density cholesterol (HDL), accelerate cholesterol metabolism that is bad for the body, and reduce the risk of atherosclerosis.

* Prevention of cardiovascular disease-linoleic acid in coffee can dissolve blood clots and prevent thrombosis. It can also enhance vasoconstriction and avoid headaches caused by vasodilation.

* prevent asthma-caffeine can promote sympathetic excitement and inhibit parasympathetic action, which can prevent asthma patients from attack due to parasympathetic excitement.

Disadvantages:

Drinking too much coffee can do the following harm to the body--

* inducing heart disease-doctors point out that people who drink more than five cups of coffee a day are twice as likely to have a heart attack as normal people. Because caffeine will increase blood cholesterol and triglyceride, resulting in irregular heart rate, which will lead to heart disease for a long time.

* induce osteoporosis-caffeine can cause calcium loss, leading to osteoporosis. Women who drink more than three cups of coffee a day should especially watch out for the dike!

* cause gastrointestinal diseases-caffeine can stimulate intestinal contraction, cause diarrhea, and often drink coffee on an empty stomach, which can easily lead to excessive secretion of gastric acid, resulting in excessive gastric acid or gastric ulcers.

* induce gallstone attacks-if you drink more coffee with people with gallstones, it may be painful because caffeine stimulates gallbladder contraction. Therefore, people with gallstones had better not drink coffee.

* induce breast cysts-caffeine irritates the breast, causing breast fibrocysts and even turning into breast cancer.

* cause cancer-drinking too much coffee may cause cancer of the pancreatic line, breast and ovary.

* PMS-if women drink a lot of coffee before menstruation, they may develop PMS such as emotional instability, nervousness, irritability, distraction, headache or breast pain due to caffeine stimulation.