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Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

The role of the liver in fuel supply to the blood. The role of the liver in fuel supply to the blood.
Role of CD23 on epithelial cells in the pathogenesis of food allergic disease. Role of CD23 on epithelial cells in the pathogenesis of food allergic disease.
Role of the Whites of Eyes in Emotional Perception Role of the Whites of Eyes in Emotional Perception
P wave (SA node initiates atrial depolarization). P wave (SA node initiates atrial depolarization).
For Your Consideration: If you had been reared in an Amish family, how would your ideas, attitudes, ... For Your Consideration: If you had been reared in an Amish family, how would your ideas, attitudes, ...
Role of Ras protein in a central growth factor activation pathway Role of Ras protein in a central growth factor activation pathway
Video: The Lac Operon in E. Coli

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