The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
A watchful "rock chuck" or Yellow-bellied Marmot (Marmota flaviventris) atop Mount Dana, Y
Geographic distribution of early hominins.
Limestone: A Marine Sedimentary Rock
Early Cancer Detection: 7 Warning Signs
Tunicate larva (Ascidia), early metamorphosis. LM.