What is the effect of drinking American coffee? Can you lose weight by drinking American coffee? How many calories are American coffee?

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◎ Antioxidant

The polyphenols in American coffee are powerful antioxidants

People study historical data and discover that when American university professors came to Taiwan in the 19th century, they used black American coffee with sugar to help people treat coughs. Doctors say that because American caffeine not only refreshes, resists fatigue, but also has analgesic effects, it is helpful for colds and colds.

Drinking American coffee in the morning has another unique benefit-it helps with bowel movements. Because American coffee can stimulate gastrointestinal motility, produce laxative effect, can improve constipation; but interestingly, the effect of drinking in the morning is particularly significant, but drinking American coffee at other times has little effect.

Foreign studies have pointed out that drinking American coffee one hour before exercise and ingesting about 200 mg of caffeine can improve the excitement of the nervous system, promote body energy consumption, accelerate fat burning, and be more focused during exercise, which is helpful for enhancing muscle strength and muscle endurance, and can also reduce muscle soreness symptoms.

According to the latest scientific research, chlorogenic acid in American coffee can play the role of "oil cut" and prevent obesity or fatty liver from finding the body.

However, there have been Australia studies pointed out that chlorogenic acid dose level, for human health has a completely different effect, a day if drink 3 to 4 cups of American coffee, help health, but if drink more than 5 cups, there will be "extreme opposite" phenomenon, but hinder fat consumption, let people abdominal accumulation fat.

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Many early studies have found that after poisoning the liver of animals, if caffeine is given at the same time, it can reduce the inflammation and damage of the liver. In 2005, two important studies in the United States pointed out that drinking American coffee can reduce the rate of abnormal liver function, and drinking more than two cups of American coffee a day will reduce the incidence of chronic liver disease by about 60%, especially in patients with alcohol addiction, obesity, diabetes, etc. The reports, published in the international journal Gastroenterology, represent the acceptance by mainstream medicine of the idea that American coffee can protect the liver.

Similarly, Americana coffee can reduce the incidence of liver cancer. A 2007 paper synthesizing ten studies found that American-style coffee drinkers had a 40 - 50 percent lower risk of liver cancer than the general population. American coffee does not harm the liver.

The University of Toronto has studied nearly 1700 women with BRCA1 breast cancer risk genes and found that drinking 1- 3 cups of American coffee a day can reduce the risk of breast cancer by 10%, and drinking more than 6 cups a day can reduce the risk of breast cancer by about 70%.

American surveys show that white women who drink American coffee every day have a skin cancer incidence rate of about 10%; if they drink more than 6 cups of American coffee a day, the skin cancer incidence rate can be reduced by 30%, and decaffeinated American coffee has no such effect.

A study published by Japanese scholars in 2007 pointed out that women who drink more than three cups of American coffee a day can reduce their colorectal cancer incidence by about 60%. However, no similar findings were found in men.

Disadvantages:

* A cappuccino with espresso coffee has about 75 mg of caffeine, while the same medium cup of American coffee has 150 mg of caffeine, which is equivalent to twice that of American coffee, so usually too high in American caffeine can cause palpitations.

Moreover, some people feel gastrointestinal discomfort after drinking American coffee, mainly affected by caffeine, such as caffeine stimulating the dilator muscle at the lower end of the esophagus, making it more relaxed, thus causing "gastroesophageal reflux", or caffeine causing a lot of acid secretion, causing discomfort. Also, too much caffeine intake, not only will have adverse effects on the brain, but also cause depression and fatigue.

Can pregnant women drink American coffee? Medical experts disagree, but new research has found caffeine may be linked to low birth weight, and drinking American coffee may also make pregnant women give birth longer.

American caffeine has long been considered a risk factor for osteoporosis. There have been reports that American-style caffeine increases calcium excretion in urine. Epidemiological data, however, found no association between moderate intake of American-style caffeine (within 400 mg/day) and bone loss or fracture in young women aged 20- 50. But older (50 +), postmenopausal women need to be more careful about drinking American-style coffee, and more than half of the studies have shown a link between American-style caffeine intake and bone density in women over 50. Therefore, experts recommend that every cup of American coffee must be supplemented with 40mg of calcium (about a quarter cup of milk, 50 g).

Adolescents and children should not drink too much American-style caffeine, because American-style caffeine may cause mental retardation, emotional changes and dependence in children and adolescents.

·One cup of American coffee raises blood pressure by 2 - 3 mm Hg for 12 hours.

To avoid this, doctors warn people with high blood pressure to limit their daily intake of American-style caffeine. If you have high blood pressure, it's best to limit American-style caffeine to no more than 200 milligrams per day.