More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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Thyroid conditions may make getting pregnant impossible.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Diaphragm, the major muscle of breathing.
Major Wind Systems: Sea and Land Breezes
Basic Food Groups and Their Major Nutrients (Continued)
Major steps in coagulation cascade
Maternal age is the major risk factor for autosomal trisomies of all types. By age 42, about one in