Your stomach prefers deep-roasted coffee
Nausea in the chest after morning coffee? You might as well try deep-roasted coffee. A study presented at a meeting of the American Chemical Society in San Francisco shows that deep-roasting coffee can make the stomach more comfortable (the study will be published in the Journal of Agricultural and Food Chemistry).
Those "stomach-friendly" coffees are distilled, and caffeine and other chemicals that cause stomachache are distilled. So what on earth causes heartburn? The food chemist wants to find out. They extracted and distilled light roasted coffee and deep roasted coffee respectively. The contents of caffeine and other compounds in the extracts of the two kinds of coffee are different.
The researchers found that when mature stomach cells come into contact with coffee extract, they produce more acid, but except for an extract rich in N-methylpyridine, the chemical is produced during baking, so raw coffee beans do not contain this substance; and the deeper the roasting, the higher the content of N-methylpyridine. Now researchers are working on a kind of "stomach coffee", and it is only after trying it that they know if it really doesn't make people sick in the chest after drinking it.
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Drinking coffee immediately after drinking alcohol is easy to increase cardiovascular burden.
Some people are used to drinking a cup of coffee after drinking, thinking that good wine and coffee will sober up. In fact, it is not suitable to drink coffee after drinking. After drinking alcohol, alcohol will be quickly absorbed by the digestive system into the blood circulation system, and then affect the gastrointestinal, heart, liver, kidney, brain and endocrine system, of which the most direct and serious victim is the brain. If you drink coffee immediately after drinking, it will make the brain go from extreme to extreme.
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Coffee and Anxiety
A 1992 study of caffeine's effects on anxiety concluded that caffeine increased anxiety only when consumed in doses of 300 milligrams or more, many times the caffeine content of a cup of coffee. Small amounts of caffeine do not produce anxiety, and even in some special cases small amounts of caffeine can reduce anxiety.
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