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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

The cellular response of skeletal muscle cells to epinephrine The cellular response of skeletal muscle cells to epinephrine
The effects of epinephrine in humans The effects of epinephrine in humans
Synthesis of the amine hormones dopamine, norepinephrine, and epinephrine. Synthesis of the amine hormones dopamine, norepinephrine, and epinephrine.
Cytoplasmic response to a signal: the stimulation of glycogen breakdown by epinephrine. Cytoplasmic response to a signal: the stimulation of glycogen breakdown by epinephrine.
Primary Action of Epinephrine in a Liver Cell Primary Action of Epinephrine in a Liver Cell
Biosynthesis of the catecholamines—dopamine, norepinephrine, and epinephrine Biosynthesis of the catecholamines—dopamine, norepinephrine, and epinephrine
Video: Morphology of a tomato plant

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