Coffee common sense how many cups of coffee a day will not affect your health?
The discussion on the pros and cons of drinking coffee is often seen in the newspapers. This side is still talking about drinking coffee to prevent cancer, while there is saying that drinking coffee causes cancer. Reading too many similar reports makes people wonder: can coffee be drunk in the end?
The chemical composition of coffee is very complex, there are thousands of kinds, and there are even nearly 200 unknown chemical substances, but in view of the fact that coffee is the third largest trading product in the world, Western and Arab countries have not seen a higher mortality rate than the Chinese in the history of drinking for hundreds of years, which shows that coffee is still safe as a beverage.
The most notorious thing in coffee is caffeine. Although caffeine is common in daily drinks such as tea and cola, even the content of caffeine in some tea drinks is higher than that of coffee, because this substance is called "coffee". So when we talk about it, we think of coffee.
The caffeine content in coffee varies greatly depending on the breed, with a caffeine content of 1.1%-1.5% in Arabica and 2.5-4% in Roboste. In addition, the water solubility of caffeine is also affected by extraction temperature and time, generally a cup of American coffee caffeine around 150mg, handmade coffee (siphon pot, etc.) 120mg, espresso is about 80mg.
The body's daily caffeine intake within 300mg is safe, and of course it varies according to height and weight, but generally speaking, there is no problem with three cups of high-quality coffee a day.
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How much milk tea? a non-coffee drink in a healthier cafe
The Taiwan milk tea sold on the street is often a large cup of 360ml or 480ml, but why does Hot Tea, HK Style, who originated from the grassroots in Hong Kong, often have only 180ml or 240ml? Is it cost-effective if the cup is bigger? In terms of hydrogenated fatty acid intake, you can get enough to digest your kidneys for a few days by drinking a cup of table milk tea, feeling that you are too smart to be confused.
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The possible adverse health effects of drinking more coffee
It is the third poison of medicine, since coffee can be used in medicine, it also has its negative effects! There are great differences of opinion among doctors on the characteristics of coffee. Some doctors think that coffee is a cold dry substance, while others think it is a hot dry substance. There are also arguments that the peel of coffee is different from the properties of coffee beans. A playful pamphlet published in Europe in 1663.
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