Do women really get smaller boobs when they drink coffee every day?
The study tested nearly 300 women. But Helena Kinthrom of Lund University says there is no need for women to be alarmed by the findings.
Women who drink coffee don't have to worry about their breasts getting smaller overnight, she explained. The breasts will get smaller, but they won't disappear completely. If anyone wants to judge who drinks coffee by the size of a woman's bra, he will be disappointed in the end. Bras come in two sizes, one is the size of a cup and the other is the circumference of the bra, so it is difficult to tell which women drink coffee based on the bra.
Do women really get smaller boobs when they drink coffee every day?
On the contrary, while caffeine may shrink women's breasts, men who drink coffee have another result: their "breasts" will increase. The study also found that caffeine has a beneficial side, helping to reduce women's risk of breast cancer.
According to the original article, the study was published in the British Journal of Cancer. Different from the original Weibo article, the related paper published by researchers at Lund University in Sweden actually mentions two very important CYP1A2*1F genes. With them, there are different effects on coffee intake and chest size.
Between 1996 and 2006, the researchers analyzed the data by investigating the habits of 269 healthy women, testing the CYP1A2*1F gene type, and collecting data on the size of their breasts, according to the paper. For those with the CYP1A2*1FC-allele gene, girls who drank a lot of coffee every day had smaller breasts than those who drank less coffee, while for those with the CYP1A2*1FA/A gene, there was little correlation between coffee intake and breast size.
"such a study only found that there was a correlation between coffee intake and chest size in some people. It doesn't mean that drinking three cups of coffee a day can lead to shrinking breasts. " Experts believe that according to the conclusion of Weibo, three groups of controlled experiments are needed: one group drinks three cups of coffee a day, one group drinks one cup of coffee a day, and one group drinks nothing. In addition, the three groups are required to have exactly the same diet, daily routine and rest. These experimental contents are not mentioned at all in the relevant papers, so this study is not reliable.
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