Tag Archives: Risk

DNA test could boost IVF success rates without putting embryo at risk

A human embryo during the third day of its developmentJim Dyson/Getty Images By Clare Wilson TESTING DNA that is naturally discarded by embryos could safely reveal those produced using IVF that are most likely to lead to pregnancy. IVF doctors try to transfer only the healthiest embryos for pregnancy. DNA testing to identify such embryos is already available, but it has… Read More »

Could Gut Bacteria Be Linked to Dementia Risk?

For the study, Dr. Naoki Saji and colleagues at the National Center for Geriatrics and Gerontology in Obu, Aichi, Japan, analyzed stool samples from 128 older adults — with and without dementia. In general, the investigators found, dementia patients had higher concentrations of certain compounds — including ammonia, indole and phenol — but lower levels… Read More »