Melissa Watson
Melissa Watson answered question
It is caused by a fungus.  Usually in adults, the immune system is weakened.   I wouldn't worry so much about sharing with the family, but would be careful not to kiss them (on the lips) share cups, utensils, etc. With them until it is cleared.    
Melissa Watson
Melissa Watson answered question
Wow! That's a big question. Plasma contains, among other things, the clotting agents.  When you get a wound, these agents aid in healing and stopping the bleeding.   Plasma also contains proteins that help carry insoluble materials to/from cells as needed.   Plasma also contains antibodies (gammaglobulins) to help resist/fight off infections.   This is … Read more