This is a preview. Log in through your library . Abstract Despite decades of research, the factors that maintain genetic variation for fitness are poorly understood. It is unclear what fraction of the ...

A sweeping genomic analysis reveals how psychiatric disorders cluster into five biological families, exposing shared pathways and pinpointing where their genetic roots diverge. Study: Mapping the ...

Why does a species not adapt to an ever-wider range of conditions, gradually expanding its geographical range? In their paper published on May 5 in PNAS (Proceedings of the National Academy of ...

Five groups of disorders are found to share most of their genetic risk in a screen of 14 psychiatric conditions — including depression, anxiety and schizophrenia — reported in Nature. The findings, ...