A study in rats identifies a key driver of anhedonia, the inability to experience pleasure. This finding may lead to new therapies not just for depression.
Probiotics are beneficial bacteria that occur naturally in the gut. Some research suggests a link between these good bacteria and a healthy weight. Learn more about probiotics for weight loss here.
Scientists find a cell receptor that evolved only in humans and great apes allows a bacterial byproduct of fermented foods to activate immune cells.