It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
Location, appearance, and internal structure of the mammalian pancreas.
Lake structure.
Transfer RNA (tRNA) Structure
Structure of the Early Universe
Chromosome structure.
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue