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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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?
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.