The health effects of drinking coffee

Research from the China Coffee Science and Information Society points out that coffee contains not only caffeine, but also various nutrients such as protein, fat, tannic acid, alkaloids, potassium, dietary fiber and so on, in which polyphenols have a protective effect on the liver. Patients with hepatitis are advised to drink coffee every day to repair liver cells. Japanese studies have also found that in addition to nourishing the liver, coffee can also relieve alcohol, in which chlorogenic acid can avoid alcoholism.

So what are the benefits of drinking coffee?

2. Strengthen muscles and bones, benefit waist and knees: caffeine can make muscles contract freely, increase tendon strength, lower exercise valve, increase body sensitivity and improve exercise function.

4. Reducing fat and accumulation: caffeine can accelerate fat decomposition, increase the metabolic rate of the body, increase heat energy consumption, and help to reduce fat and lose weight.

5. Liqiao dehumidification: caffeine can promote kidney function, expel excess sodium ions from the body, increase urine output, improve abdominal distension and edema, and help to reduce fat and lose weight.

6. Promoting blood circulation and removing blood stasis: linoleic acid contained in coffee can dissolve blood and prevent thrombosis, enhance vasoconstriction, promote blood circulation, and relieve vasodilation headaches, especially migraines. In addition, it can promote venous reflux, moisturize the skin, restore the elasticity of the muscle surface, and prevent cardiovascular disease.

7. Extinguishing wind and relieving spasm: coffee can increase high-density cholesterol, accelerate cholesterol metabolism, reduce atherosis of coronary artery and reduce the risk of stroke.

8, joy color: a small amount of coffee is exciting and happy, putting aside troubles, worries, relieving stress and relaxing body and mind; experiments show that the average person absorbs 300 milligrams of caffeine (about 3 cups of brewed coffee) a day. It will have a good effect on a person's alertness and mood.

9. Clearing the lungs and relieving asthma: caffeine promotes the sympathetic nerve, suppresses the parasympathetic nerve and avoids the onset of asthma caused by parasympathetic nerve excitation

10. Dryness, dampness and deodorization: caffeine contains tannins, which can deodorize and eliminate the smell of garlic and meat.

Coffee is good for the skin. Coffee can promote metabolic function, activate digestive organs, and has a great effect on constipation. Taking a bath with coffee powder is a kind of thermotherapy, which has the effect of losing weight.

13. Coffee has the function of relieving alcohol. Drinking coffee after drinking alcohol will quickly oxidize the acetaldehyde converted from alcohol, decompose it into water and carbon dioxide and discharge it out of the body.

14. Coffee can relieve fatigue. In order to eliminate fatigue, we must supplement nutrition, rest and sleep, and promote metabolic functions, and coffee has these functions.

15. Three cups of coffee a day can prevent gallstones. For caffeinated coffee, it stimulates gallbladder contraction and reduces cholesterol, which is prone to gallstones. The latest Harvard University researchers found that men who drank two to three cups of coffee a day were less than 40% likely to get gallstones.

16. Drinking coffee regularly can prevent radiation injury. Radiation damage, especially the radiation of electrical appliances, has become a prominent pollution at present. Indian Barba atomic researchers have come to this conclusion in mouse experiments and say it can be applied to humans.

What are the disadvantages of drinking coffee?

1. Make a mess when you are nervous

Caffeine helps to improve alertness, agility, memory and concentration. But drinking more coffee than you are used to will produce the same dose of stimulants that you are used to, which can cause nervousness. For people with anxiety disorders, caffeine can worsen symptoms such as sweaty palms, palpitations and tinnitus.

2. Aggravate hypertension

Caffeine is often combined with other simple painkillers because of its analgesic effect, but if you take it in large quantities for a long time, if you already have high blood pressure, using a lot of caffeine will only make your situation worse. Because caffeine alone can raise blood pressure, coupled with emotional stress, it can have a dangerous multiplication effect, so people at risk of high blood pressure should especially avoid drinking caffeinated drinks during stressful times at work. Some people who drink coffee regularly think they are immune to the effects of caffeine, but this is not the case. One study shows that blood pressure can rise for up to 12 hours after drinking a cup of coffee.

3. Induce osteoporosis.

Caffeine itself has a good diuretic effect, if you drink a lot of coffee for a long time, it is easy to cause bone loss, which will adversely affect the preservation of bone mass and may increase the threat of osteoporosis for women. But the premise is that people who don't get enough calcium in normal food, or people who don't move very often, plus women after menopause, calcium loss caused by lack of estrogen, coupled with a large amount of caffeine, may pose a threat to bones. If you can enjoy it in a reasonable amount, you can still stop eating for fear of choking.