228 Measles Cases Already in 2019: CDC
Measles was once nearly eradicated in the United States, but the emergence of the "anti-vaxxer" movement may be allowing the highly contagious disease to stage a comeback, experts say.
Using Pre-Ejaculation Sperm May Help Infertile Men
The study shows that on its path from the testicles to ejaculation, sperm DNA can suffer major damage. Researchers said it may be possible to use sperm taken directly from the testicles to fertilize eggs so that infertile men can have children.