Sixteen years after doctors froze part of a boy’s testicle before chemotherapy, the tissue has helped him produce sperm as an ...

Dr. Paul J. Turek is making significant headway in the whisper-toned world of men’s reproductive health. He’s not only breaking down myths and barriers but also introducing groundbreaking innovations.

Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, ...