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?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Plant cell-to-cell junctions known as middle lamella
Situation in a Guy's Life
Structures of the external ear, middle ear, and inner ear
Apply effleurage to forehead with thumbs. Stroke from middle of forehead to the temples. Begin just ...
(A) Thumb presses between shoulder blades on inner and outer bladder meridian acupoints. (B) Apply ...