NODE SMITH, ND For patients with cancers that do not respond to immunotherapy drugs, adjusting the composition of microorganisms in the intestines -- known as the gut microbiome -- through the use of stool, or fecal, transplants may help some of these individuals...

NODE SMITH, ND Competition among sperm cells is fierce -- they all want to reach the egg cell first to fertilize it. A research team from Berlin now shows in mice that the ability of sperm to move progressively depends on the protein RAC1. Optimal amounts of active...