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Author Question: Juan has noticed that when the temperature rises, sales at his retail clothing store also rise. This ... (Read 158 times) |
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.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.