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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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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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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Varicosis. (a) Varicose veins develop due to the failure of valves in the superficial veins of the l Varicosis. (a) Varicose veins develop due to the failure of valves in the superficial veins of the l
Toussaint L’Ouverture leads a revolt of slaves against the French in Haiti—the first and only major Toussaint L’Ouverture leads a revolt of slaves against the French in Haiti—the first and only major
Electrode placement for chest leads V1–V6. Electrode placement for chest leads V1–V6.
Aspartate leads via homoserine to threonine, lysine, and methionine Aspartate leads via homoserine to threonine, lysine, and methionine
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
A land snail (Helix aspersa) with the opening that leads to its lung visible at the left. A land snail (Helix aspersa) with the opening that leads to its lung visible at the left.
Video: Types of disease resistance: innate defenses & immunity

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