Four cups of drink per day - is the maximum. And for pregnant women and young people, and even less. Twice. The specialists point out that we should not forget that caffeine is also found in tea and some foods, such as chocolate or energy. And also in a number of medicine.
Physicians from the European Agency for Food Safety highlight: if you drink more, people face anxiety, sleep disorders, heart rate, and even heart failure. And in pregnant women may cause a child with rickets and birth defects, and even a possible miscarriage.
Emily Kambet, a specialist in human nutrition from the University of Glasgow asks to pay attention to the fact that "the levels of caffeine in coffee varies in different cafes, somewhere drink made stronger, which on the contrary."
And people before order is interested in what the concentration of caffeine is used per cup.
There is a good coffee news for girls. It turns out that one of the chemical substances contained in its beans, prevents the accumulation of excess kilograms on talii.Kstati, before this study, researchers from the University of Texas revealed a normal coffee that is able to protect against impotence . Experts explain this by saying that caffeine causes a number of effects that improve the tone of smooth muscles in the male genital organs and increases blood flow. And to get this effect, you need to consume from 85 to 170 mg of caffeine a day, they say. Well, or - equivalent - 2 or 3 medium-sized cup of coffee.
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Scientists say that the overreliance on coffee laid in the genes:
American scientists from Harvard University have once again proved that genes are responsible for everything. Including for the love of some people for coffee. That genes are responsible for the division of humanity into two camps: those who can not live without coffee and a couple of hours, and those who belong to this drink with indifference. Harvard scientists have found six new variants of genes that, in their opinion, "guilty" in Coffeemania. Four of them are in some way connected with caffeine: with the way the body breaks down it as it reacts, and so on.
Most researchers surprised the other two variants of genes, because they are not associated with caffeine, and the levels of cholesterol and blood sugar.
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Scientists say that the overreliance on coffee laid in the genes
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That is the conclusion, scientists have analyzed the results of two dozen previous studies related to coffee, which was attended by over 120 thousand people. Each of the participants, according to the site geneticliteracyproject.org , told researchers how much he drinks coffee a day, and allowed to explore their DNA.
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