Vitamins known as folates that prevent birth defects when consumed by women also help to keep men’s sperm normal, researchers reported on Wednesday.
For men undergoing a fertility check-up, a semen specimen obtained at home rather than in the clinic is adequate for analysis. The results are the same for either collection location, according to a report in the medical journal Fertility and Sterility.
Circumcision does not appear to shield men from the types of sexually transmitted diseases (STDs) common in the developed world, according to new research from New Zealand.
Sexually transmitted disease in men’s throats and rectums are often undiagnosed because less- invasive tests that detect twice as many infections aren’t approved by the U.S. Food and Drug Administration.
U.S. syphilis cases climbed for the seventh straight year in 2007, and increases in the disease among gay men and blacks largely contributed, government researchers reported Wednesday.
At least one in four teenage girls in the United States has a sexually transmitted disease, or more than 3 million teens, according to the first study of its kind in this age group.
After more than half a century of debate and bedroom exploration, a row about the location of the fabled G spot may be settled at last, the British weekly New Scientist says.
Several promising, large-scale trials trying to prevent the spread of HIV have produced sobering results, as researchers discussed at a meeting last week, but longer-term data on new treatments are proving encouraging.
Using a condom is still the safest protection against AIDS, United Nations health agencies said Friday after Swiss researchers claimed patients on retroviral drugs do not transmit the virus.
The AIDS virus has hideouts deep in the immune system that today’s drugs cannot reach. Now scientists finally have discovered how HIV builds one of those fortresses — and they are exploring whether a drug already used to fight a parasite in developing countries just might hold a key to break in.