Genetics

Fear that uproar over gene-edited babies could block science

Scientists working on the frontiers of medicine fear the uproar over the reported births of gene-edited babies in China could jeopardize promising research into how to alter heredity to fend off a variety of disorders.

Medical research

Sperm quality study updates advice for couples trying to conceive

Could doctors at fertility clinics be giving men bad advice? Dr. Da Li and Dr. XiuXia Wang, who are clinician-researchers at the Center for Reproductive Medicine of Shengjing Hospital in Shenyang in northeast China, think ...

Health

Study examines sperm production in men with testicular cancer

In a study of men with testicular cancer, increasing tumor size relative to testis size was linked with a reduced ability to produce sperm. The BJU International study's findings can be summarized into the rule of 50s: men ...

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