There are approximately 3 million unintended pregnancies in the United States each year.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
The tracheal system of insects.
Urinary System
The Warm Mineral Springs individuals from Florida may be among the earliest Paleo-Indian skeletal re
Disorders of the Cardiovascular System
Components of the lymphatic system.
Schematic of a typical electronic throttle control (ETC) system. Note that terminal #5 is always ...