Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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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.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Sickled and normal red blood cells
Daily Water Balance in the Body
Fluid Balance during Exercise
Normal (A) and Abnormal (B) Balance between Dopamine and Acetylcholine
Acid–Base Balance
IQ scores form what mathematicians call a normal distribution "bell curve"