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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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Types of plant stimuli.
Variation in climatic conditions result in geographic variation in the distribution of biome types a