The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Illicit drug use costs the United States approximately $181 billion every year.
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People about to have surgery must tell their health care providers about all supplements they take.
Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.
building blocks
Structure of a Fatty Acid Fatty acids are the building blocks of some lipids
Sketch a graph of the function h(x), by hand on the following interval:
Work on two blocks
Single nucleotide polymorphisms (SNPs) are organized into blocks that are inherited together. These