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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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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

(A) Bronchopneumonia with localized pattern. (B) Lobar pneumonia with a diffuse pattern within the l (A) Bronchopneumonia with localized pattern. (B) Lobar pneumonia with a diffuse pattern within the l
Participant observation, participating and observing in a research setting, is usually supplemented ... Participant observation, participating and observing in a research setting, is usually supplemented ...
Women have even more need than men to plan for retirement; at retirement age they have typically ... Women have even more need than men to plan for retirement; at retirement age they have typically ...
How Safe Is Your State? Violent Crime in the United States How Safe Is Your State? Violent Crime in the United States
Weather Typically Associated with a Warm Front (North America) Weather Typically Associated with a Warm Front (North America)
Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ... Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ...
Video: Embryonic development - week 1 and 2

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