For skeptics of evolution, vestigial organs are pretty difficult to explain. The human body has inherited numerous adaptations from our ancient ancestors that no longer serve a purpose in our modern ...

Stacker compiled a list of facts you may not know about 25 major organs and what do for your body. Read on to see what you ...

Discover how the amino acid leucine enhances energy production and protects mitochondrial health in our cells.

You might celebrate one birthday each year, but inside your body, different organs are marching to their own biological drums. That number on your driver’s license? It’s just a rough average that ...

The role of the human yolk sac in supporting early embryonic development and the first wave of the prenatal immune system has been mapped in a study published today (17 August) in Science. Researchers ...

Like a highway system, the vagus nerve branches profusely from your brain through your organs to marshal bodily functions, including aspects of mind such as mood, pleasure and fear. It is late at ...

Endocrine glands secrete hormones into the bloodstream, while exocrine glands secrete substances, such as sweat or enzymes, into organs or onto the surface of the body. The two main types of glands in ...