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Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Did you know?
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.