Like most vertebrates, humans only have one heart, which is usually located near the front and middle of the chest, slightly ...

A process of surgically joining the circulatory systems of a young and old mouse slows the aging process at the cellular level and lengthens the lifespan of the older animal by up to 10%. A process of ...

The pharmaceutical drug development and approval process is a multi-step undertaking that requires a plethora of testing before reaching the market. Even then, humans respond differently to drugs ...