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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
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?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").