The female sex hormone estrogen, along with progesterone, appears to underlie a fundamental difference in how males and ...

New research shows how small shifts in the molecular makeup of a virus can profoundly alter its fate. These shifts could turn ...

Molecularly defined serotonin (enterochromaffin) cells of the gut lining were distinguished by single-cell expression analysis, in situ hybridization, and immunohistochemistry into 14 topographically ...

Last year, the U.S. Food and Drug Administration approved Neffy, a nasal spray form of epinephrine for people who weigh 66 ...