Basic knowledge of coffee drinking coffee can protect the heart varies from person to person
A study recently published by scientists at Harvard University in the United States shows that for some people who are not good at breaking down caffeine, drinking coffee can increase the risk of myocardial infarction.
Tests found that about half of the volunteers carried a gene that slows down the body's metabolism of caffeine. The other half of the subjects had the exact opposite gene, which accelerated the body's metabolism of caffeine. Drinking coffee in people with this genetic trait can reduce their risk of myocardial infarction.
Those who drank more than two cups of coffee a day had a 36% higher risk of mild heart attack than those who drank little or no coffee, the researchers said. If coffee drinkers not only metabolize caffeine slowly but also are younger, they are four times more likely to have a heart attack than those who do not drink coffee or drink very little.
The researchers explain why previous studies on the effects of caffeine on the heart have yielded a number of conflicting results. Some scientists have thought that caffeine reduces the effectiveness of chemicals that protect heart tissue from damage. But there are also some studies that have come to the opposite conclusion. Although there is evidence that caffeine can cause a short-term rise in blood pressure, studies have shown that drinking coffee at least does not cause long-term high blood pressure in women.
The researchers say the latest conclusion is that the health effects of drinking coffee cannot be generalized, depending on an individual's genetic traits. At present, due to the limitations of medical conditions, most people do not know whether they belong to people with slow caffeine metabolism or fast people. An accurate answer can only be obtained through genetic testing. Therefore, the suggestion that can be put forward at present is that good things like coffee can be drunk, but you must be moderate. For some people, drinking a few drinks a day may lead to too much.
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Coffee common sense coffee can also make people "drunk"
When we are driving, especially long-distance driving, drivers often drink caffeinated energy drinks in order to keep a clear head. However, the Daily Telegraph reported on the 24th that such an act is risking one's life. Because energy drinks can have an effect similar to alcohol. The British Association of Advanced drivers (IAM) recently released a report on this category.
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The role of instant coffee in carcinogenic coffee
According to the Institute of Nutrition and Food Safety of the Chinese Center for Disease Control and Prevention, instant coffee contains acrylamide, which is a possible carcinogen. Long-term low-dose exposure to acrylamide can lead to symptoms such as drowsiness, mood and memory changes, hallucinations and tremors, accompanied by peripheral neuropathy (glove-like sensation, sweating and muscle weakness). Although various brands of instant coffee
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