Coca cola kills sperm

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Common commodities such as honey and sodium bicarbonate, acidic fruit juices and oils have been used through history as spermicides. Three Harvard researchers note that Coca-Cola is said to be favored for this purpose in some developing countries and was touted in American folklore as a contraceptive aid in years gone by. Umpierre and two colleagues decided to test Coke in some of its various formulations in their lab. At the same time, they warned against the use of soft drinks of any kind as douches after intercourse to prevent pregnancy.
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Coca-Cola does not kill sperm

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Can Coca-Cola Prevent Pregnancy? | radiostring.com

The Nov. This ''study'' was prompted by the continuing use in many developing countries of Coca-Cola as a form of post-intercourse vaginal contraception. Their study demonstrated that ''Classic'' Coke had a greater effect on sperm motility than did new Coke or caffeine-free new Coke. However, the clear winner in terms of its effect on sperm motility was Diet Coke. The authors of the letter do point out that none of their findings should suggest that vaginal douching with Coca-Cola after intercourse is indeed an effective contraceptive because sperm can be found in the ovaducts or fallopian tubes soon after intercourse, more quickly than even a quick vaginal douche might be able to place Coke in the vagina.
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Use of Coke to Kill Sperm Prompts Tests : Medical Team Says Drinks Ineffective

The research shatters the belief that the popular drink works as an after-sex Spermicide. Sperm travels very quickly and would reach the cervix before the douche had a chance to work, Anderson said. She says the soft drink also damages the top layer of cells within the vagina, removes healthy bacteria and makes a woman more prone to sexually transmitted disease. Many women in third-world countries use the soft drink as an after-sex douche, hoping to kill sperm. The belief held true in America until the s.
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Other winners included physicists who found out that anything that can tangle, will tangle and a team of biologists who ascertained that dog fleas jump farther than cat fleas. Awarded by the editors of the Annals of Improbable Research, a scientific humor magazine, the prizes are based on published research, some intended to be humorous but often not. She said she was serious in testing the soft drink because women were using it in a douche as a contraceptive and, later, to try to protect themselves from the AIDS virus. But Coke made with sugar quickly kills sperm, she said, probably because sperm soak it up. The biology prize goes to a French team that found dog fleas can jump higher than cat fleas, while the medicine prize was awarded to a team at Duke University in North Carolina who showed that high-priced placebos work better than cheap fake medicine.
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