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Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

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.

Hershey and Chase experiment showing that the genetic material of T2 phage is DNA Hershey and Chase experiment showing that the genetic material of T2 phage is DNA
Triangle plot showing gene expression related to xylem, phloem, and nonvascular tissue in Arabidopsi Triangle plot showing gene expression related to xylem, phloem, and nonvascular tissue in Arabidopsi
Discharge of Acid Rock Drainage Discharge of Acid Rock Drainage
Material safety data sheets (MSDS), now called safety data sheets (SDS), should be readily available ... Material safety data sheets (MSDS), now called safety data sheets (SDS), should be readily available ...
Aging and Bone Tissue Aging and Bone Tissue
Patterns of tissue injury secondary to gunshot wounds. Patterns of tissue injury secondary to gunshot wounds.
Video: Phlebotomy

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