Parasitic tapeworm larvae release glutamate and other excitatory molecules that can directly excite brain neurons.

Scientists have discovered that starving and then refeeding worms can reveal surprising secrets about aging. When a specific ...

Worms offer a simple yet powerful whole-organism model for studying senescence, mirroring mammalian aging processes and ...

A second transplant patient also became infected, leading their doctors to surmise that their new kidneys were likely to ...

Blood in the stool has multiple causes, like hemorrhoids and anal fissures. Learn about how it's diagnosed, treatment, when to see a doctor, and more.

Like platypuses, echidnas are monotremes, which means they're mammals that lay eggs. Echidnas lay one egg at a time, and those eggs take 10 to 14 days to hatch.

The gut responds to these hormones by producing physical symptoms, like watery stools, nausea, or constipation. Serotonin is especially important when we’re talking about anxiety poop.