To learn more about the gut microbiome, researchers used mice from two locations in the US and Canada. They set up housing for the mice in their test facility and the mice from each location...

The adrenal glands are two triangular-shaped (endocrine glands) that reside on top of both kidneys. Endocrine glands secrete their products, such as hormones directly into the blood rather than through a duct. The adrenal glands...