About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
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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.
Overview of development of embryonic stages.
How a catalyst circumvents unfavorable charge development during cleavage of an amide