There is a question: the girls are too dirty bra? Do not go extreme, it is difficult to judge the bra clean, then a clean bra can not issue mellow cheese bursts of fragrance, dirty bra, it is impossible Become a sock and taste. But this raises another question, how dirty is the bra?
First of all, how often should my sister wash her bra? Hardworking once a week, lazy once a month, most girls are in this range. Before you guessing, Philip Tierno, a microbiologist and pathologist at New York University School of Medicine, concludes: "Treat bras should be treated like fat, washed daily or at least every 2 days." Not only that, If you just hang the bra through, nothing happens when you smell it for a few days, and there is no difference between this and no wash.
Philip Tierno also mentioned that, well, bra belong to personal belongings, the vast majority of people will not wear each other, so basically can exclude the possibility of interactive infection of bacteria through the bra, but repeatedly put their skin excrement paste in the chest only .
Michael Schmidt, an expert on microbiology and immunology at the University of South Carolina, gave a more detailed introduction. He said that the daily wear of clothes absorbs the fat from the skin and helps to promote the bacteria in the skin. If left unwashed for more than a month, this warmer and softer environment may produce a more complex set of colonies that incorporate "opportunistic bacteria."
In other words, these bacteria are not harmful to the skin surface, and they can take advantage of the bacteria once wounds in the thorax or sniffing the nose - Microbiology speculation that possible microorganisms including Staphylococcus And terrible Streptococcus.
In order to validate his theory, William Helmink, a microbial director at the University of Toledo Medical Center, conducted a bacterial culture test on a set of bras that lasted for 1 month. The main test sites were the lower cleavage ditch and the armpits, which were the easiest to breed The area of ​​bacteria. William Helmink first apply a sterile cotton swab dipped in these areas and place the swab in the solution. Add the solution (used to enrich the bacteria) to see if any microbes have breed, and if so, place them on a tray and incubate Is the most obvious change in the three pallets -
The colonies here come from the samples collected from the region of the left lower breast.
The colonies here come from the sample collected on the right armpit area.
The colonies here come from the sample collected on the left armpit area.
Cultivation results: coagulase positive, staphylococcus negative. Translated into modern Chinese, William Helmink said it is "consistent with the microbial environment of the limbs, trunk and skin surfaces." The conclusion is gratifying, and even without a bra for 1 week and 1 month, there is a good chance of breeding pathogens and harmful bacteria small.
Although seemingly harmless from a medical point of view, the sense of mission drives us to warn my sister who does not wash bra for weeks or even months: If you insist on doing so, simply do not wear it, and you and your boyfriend will each other Save a lot of trouble.
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