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Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Structure of cholesterol and steroid hormones derived from cholesterol Structure of cholesterol and steroid hormones derived from cholesterol
Action of Steroid Hormones Action of Steroid Hormones
Classification of Sex Steroid Hormones Classification of Sex Steroid Hormones
Angiotensin II Receptor Blockers, Aldosterone Antagonists, and Renin Inhibitors Angiotensin II Receptor Blockers, Aldosterone Antagonists, and Renin Inhibitors
The conserved DNA-binding domain in steroid receptors The conserved DNA-binding domain in steroid receptors
Steroid hormone receptors Steroid hormone receptors
Video: Neural regulation of mechanical digestion- CNS voluntary, ANS & ENS controlled involuntary movements

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