|
|
Did you know?
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.