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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Cyanide works by making the human body unable to use oxygen.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Both humans and apes readily engage in learned imitative behavior. Both humans and apes readily engage in learned imitative behavior.
Anatomically modern humans left archaeological clues, including evidence of burials, which indicate Anatomically modern humans left archaeological clues, including evidence of burials, which indicate
Organizational Effects of Testosterone Around the time of birth, testosterone masculinizes and defem Organizational Effects of Testosterone Around the time of birth, testosterone masculinizes and defem
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Piaget was one of the first to go beyond observable behavior in an attempt to determine how infants ... Piaget was one of the first to go beyond observable behavior in an attempt to determine how infants ...
Video: The Hypothalamus: The Body's Thermostat (Human Thermostat)

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