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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

(a) Pronghorn, native grazers of the temperate grasslands of North America. (a) Pronghorn, native grazers of the temperate grasslands of North America.
The Dall sheep, Ovis dalli, a mountain sheep of far northern North America, was the subject of one o The Dall sheep, Ovis dalli, a mountain sheep of far northern North America, was the subject of one o
Gorillas are the largest living primates. Gorillas are the largest living primates.
The United States in the Caribbean and Central America The United States in the Caribbean and Central America
Map of North America Flipped Map of North America Flipped
The Largest Cell The Largest Cell
Video: The Krebs Cycle Animation

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