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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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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Electrons Are Shared in Covalent Bonds Electrons Are Shared in Covalent Bonds
Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
A medical assistant assists with minor surgery performed in the medical office. A medical assistant assists with minor surgery performed in the medical office.
Medical assistant extern clarifying externship issues with the office manager. Medical assistant extern clarifying externship issues with the office manager.
Many hunger-relief programs work to provide food aid to needy nations Many hunger-relief programs work to provide food aid to needy nations
The correspondence of mRNA to DNA template and coding strands The correspondence of mRNA to DNA template and coding strands
Video: Elementary kinetics

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