What do you know about coffee? How much have you misunderstood?
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Many people think that long-term drinking coffee will lead to "osteoporosis", "weight gain", "caffeine poisoning" and so on. In fact, saying that "coffee is harmful to health" does some wrong to coffee, pure coffee actually contains a variety of nutrients. What kind of effect does coffee have on health? Experts have concluded that you are absolutely surprised by the many health benefits of coffee.
1. Caffeine is harmful?
Many people think that coffee contains a lot of caffeine, drinking too much can easily lead to increased heart rate, sleep disorders, nausea and vomiting, elevated blood pressure and other uncomfortable symptoms, but also may cause poisoning.
Experts explain that the premise that caffeine will cause harm to the human body is "excessive". If you equate coffee with caffeine, you will be wronged by coffee.
2. Coffee addiction?
Another controversial focus of coffee is "addiction". British research has found that caffeine is an irritant to the central nervous system. Drinking coffee regularly may lead to mild dependence. If you don't drink it suddenly, you will have headaches, fatigue, anxiety and lack of concentration.
But these symptoms disappear after a few days and are not as dangerous as other drugs and do no harm to physical and mental health.
3. Osteoporosis?
Some people think that coffee is the culprit of bone loss. However, Professor Hu Dayi, a famous cardiovascular expert in China, co-authored a book "101 reasons for Coffee innocence" with former World Heart Federation President Mario Marao and other experts.
The human body contains about 1100 grams of calcium, 99% of which is deposited in bones and teeth, so the amount of bone calcium is not reduced by drinking coffee as a diuretic.
Coffee has many benefits, but it can only be effective if you drink it right. How to drink coffee is healthier?
1. Be sure to choose plain coffee
If you make it at home, you can buy coffee beans for fresh grinding, or buy coffee powder directly and brew it in hot water.
Hanging-ear coffee is also a good choice. Capsule coffee is also popular now. It grinds the beans and puts them in a capsule of special material, which can be brewed directly into hot water. It is as simple as a tea bag. It is also known as "office coffee" because it saves time. If you drink coffee in a cafe, you'd better choose American coffee without cream and sugar.
2. No more than three cups a day
People's tolerance for coffee varies from person to person.
After studying caffeine in the Dietary guidelines for American residents, healthy people drink 3 to 5 cups of coffee a day as part of a healthy diet. Many domestic experts suggest that it is best not to exceed 3 cups a day (about 200 milliliters per cup).
Morning is the best time
Neuroscientists in the United States have calculated that the best time to drink coffee every day is at 9: 30 in the morning. This is because caffeine interacts with cortisol, an important hormone in the body, to reach its optimal state during this period of time.
Need to be reminded, it is best not to drink coffee on an empty stomach, nor after dinner, so as not to affect the quality of sleep.
4. Special people should pay attention to
According to a number of British and American studies, pregnant women should reduce their coffee intake by no more than 2 cups a day, while people with high blood pressure should pay attention to the time they drink coffee and try not to get up early in the morning to avoid a rapid rise in blood pressure.
There are six benefits of coffee:
1. Reduce cancer risk
Drinking coffee regularly can reduce the risk of ovarian cancer in women.
2. Protect cardiovascular system
People who drink coffee every day have a lower risk of cardiovascular disease.
3. Improve your memory
Moderate intake of caffeine is good for both short-term and long-term memory.
4. Prevention of diabetes
Coffee drinkers have a lower risk of developing type 2 diabetes.
5. Contribute to longevity
People who insist on drinking coffee have a lower mortality rate than ordinary people.
6. Reduce the risk of fatty liver
Drinking coffee can reduce the risk of fatty liver, promote digestion and prevent constipation.
The coffee is so strong! From today on, don't misunderstand coffee!
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