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Syphilis is an infection caused by bacteria. Most often, it spreads through sexual contact. The disease starts as a sore that's often painless and typically ...
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Also called STDs, STIs or venereal disease, sexually transmitted infections are caused by bacteria, viruses or parasites. Sexual activity includes genital ...
I. Introduction. The last thirty years have seen a considerable increase in the amount of research literature in statistics.
Think about male circumcision. For men, evidence has found that circumcision can help lower the risk of getting HIV from a woman with HIV by as much as 60 ...
This is called the menstrual cycle. The blood comes from the lining of the uterus, which is shed through the vagina. When this happens, a new reproductive cycle ...
This common sexually transmitted infection often causes no symptoms. Learn more about treatment, prevention and possible complications.
COVID-19 (coronavirus disease 2019) is not a sexually transmitted disease. But you can get the COVID-19 virus from close contact. That includes actions such ...
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