Here is some background information about stem cells. Scientists believe that stem cell research can be used to treat medical conditions including Parkinson’s disease, spinal cord injury, stroke, ...

There are tens of trillions of cells in the human body, and new cells are constantly forming as older cells age and die. But sometimes, cell growth and replication doesn't stop when it should. These ...

Your Blood Vessels Could Circle Earth Four Times Laid end to end, an adult's blood vessels could circle Earth's equator four ...

Here is some background information about stem cells. Scientists believe that stem cell research can be used to treat medical conditions including Parkinson’s disease, spinal cord injury, stroke, ...