List the health benefits and disadvantages of drinking coffee

The benefits of coffee:

1. Coffee contains certain nutrients. Coffee beans contain sugars, protein, fat, nicotinic acid, potassium, crude fiber, moisture and other nutrients. Nicotinic acid in coffee contains vitamin B, which is higher in roasted coffee beans. And there are free fatty acids, caffeine, tannic acid and so on.

two。 Coffee is good for the skin. Using coffee powder to take a bath is a kind of thermotherapy, which has a certain effect on weight loss.

3. Coffee can promote metabolic function, stimulate gastrointestinal hormones or peristaltic hormones, activate digestive organs, and have a great effect on improving constipation.

4. 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.

5. Coffee can relieve fatigue. Coffee is refreshing.

6. Coffee can prevent gallstones. For caffeinated coffee, it stimulates gallbladder contraction and reduces cholesterol, which is prone to gallstones. A new Harvard study found that men who drank two to three cups of coffee a day were less than 40 per cent more likely to get gallstones.

7. Drinking coffee regularly can prevent radiation damage from electrical appliances.

8. Coffee has the functions of anti-oxidation and heart protection, strengthening muscles and bones, benefiting waist and knees, appetizer, eliminating fat and accumulation, promoting orifice and dehumidification, promoting blood circulation and removing blood stasis, relieving wind and relieving spasm and so on. Coffee is anti-melancholy, a small amount of coffee can cheer people up, feel happy, and relieve the melancholy phenomenon.

9. Coffee can relieve pain, and caffeine can enhance the effect of some painkillers.

10. Coffee contains natural antioxidants, which can reduce the risk of bowel or rectal cancer.

The disadvantages of coffee:

1. Coffee can increase the risk of heart disease.

two。 Causing nervousness. For people with anxiety disorders, caffeine can worsen symptoms such as sweaty palms, palpitations and tinnitus.

3. Coffee can cause blood pressure to rise and cause the walls of blood vessels to contract. If you already have high blood pressure, a large amount of caffeine will only make your situation worse. Because caffeine alone can raise blood pressure, coupled with emotional stress, it can be dangerous, so people at risk of high blood pressure should especially avoid drinking coffee or caffeinated drinks during stressful times at work. Some people who drink coffee all the year round 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.

4. 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.

5. Caffeine can increase stomach acid, and continuous high doses can lead to peptic ulcers, erosive esophagitis and gastroesophageal reflux disease.

6. Caffeine poisoning includes addiction and a range of physical and psychological side effects, such as nervousness, irritability, anxiety, tremors, muscle convulsions (hyperreflexia), insomnia and palpitations.

7. Caffeine also reduces women's chances of getting pregnant, increases the risk of miscarriage and slows the development of the fetus. Note: 1. The body's daily caffeine intake within 300mg is safe, of course, depending on height, weight and physique, but generally speaking, there is no problem with three cups of high-quality coffee a day. two。 Coffee is not recommended when the body has the following conditions or diseases: elderly people; diarrhoea; pregnancy; people with excessive stomach acid; developing children; women who are breastfeeding; people with vitamin B1 deficiency; people with mental illness; people taking tranquilizers; people with intestinal allergy syndrome; kidney patients whose potassium intake should be restricted.