Can you believe that drinking two more cups of coffee a day can prolong your life? Although drinking coffee has many disadvantages, it also has many benefits. Drinking two cups of coffee a day can increase your life expectancy by two years, according to a study published in the European Journal of Epidemiology on May 4. By analyzing more than 3.8 million subjects in 40 studies and more than 450000 causes of death, researchers found that drinking coffee was negatively correlated with all-cause mortality. Experts say it may be coffee's increased attention and mental acuity that helps prolong life.
Advantages of coffee:
1. Coffee contains certain nutrients. The 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
2. Coffee is good for skin. Coffee can promote metabolism, activate digestive organs, and has great effect on constipation. The use of coffee powder bath is a kind of hyperthermia, has the effect of weight loss. A cup of coffee after a meal also helps digestion.
3. Coffee has the function of antialcoholism. Drinking coffee after drinking will quickly oxidize acetaldehyde converted from alcohol, decompose it into water and carbon dioxide and discharge it out of the body.
Coffee can eliminate fatigue. To eliminate fatigue, we must supplement nutrition, rest and sleep, promote metabolic function, and coffee has these functions.
5. Three cups of coffee a day can prevent gallstones. Caffeinated coffee can stimulate gallbladder contraction and reduce cholesterol in bile, which is easy to form gallstones. Researchers from Harvard University found that men who drink two to three cups of coffee a day have less than 40% chance of getting gallstones.
6. Drinking coffee often can prevent radiation injury. Radiation damage, especially the radiation of electrical appliances, has become a prominent pollution at present. Indian atomic researchers have come to this conclusion in mice, and said it can be applied to humans.
7. Health care and medical functions of coffee. Coffee has the functions of antioxidation and heart protection, strengthening muscles and bones, benefiting waist and knee, appetizing and promoting food, eliminating fat and accumulation, promoting resuscitation and dehumidification, activating blood circulation and removing stasis, relieving wind and spasm, etc.
8. The influence of coffee on emotion. Experiments show that the average person absorbs 300 mg (about 3 cups of brewed coffee) of caffeine a day, which has a good effect on one's alertness and mood.
Because coffee stimulates the brain so strongly that it directly affects the mental state, when coffee was first introduced to Europe in the 16th century, some people once advocated that it was necessary to have a doctor's prescription to drink coffee. In the past four or five centuries, with the vigorous development of coffee culture, people can no longer live without coffee. However, medical circles have proposed that the impact of coffee on human body is not only refreshing.
Let's talk about the refreshing effect of coffee. According to research, drinking 100-200 mg of caffeine every day is enough to refresh your mind and is not harmful to your health. For office workers, the best time to drink coffee is after breakfast in the morning, when you first arrive at the office, and when you are ready to start busy work in the afternoon after lunch break. At this point, a cup of coffee, you can avoid the usual drowsiness after meals.
The study also found that, for most people, a cup of coffee in the morning and afternoon has the best refreshing effect. Beyond this amount, not only can it not achieve the refreshing effect, but also can make people feel restless.
Drinking too much coffee, can also lead to the loss of calcium, for the elderly, especially in elderly women, is a major threat to osteoporosis. Two or more cups of coffee a day will increase the risk of fracture by about 50%, which is shocking. Experts believe that one cup of coffee a day is the safest for the elderly.