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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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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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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors
Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ... Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ...
Cystic fibrosis is caused by a mutation in a protein called CFTR Cystic fibrosis is caused by a mutation in a protein called CFTR
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
Two Models for the Origin of H. sapiens Two Models for the Origin of H. sapiens
Time Line for Life’s Origin and Evolution Time Line for Life’s Origin and Evolution
Video: Hormonal regulation of pregnancy - weeks 2 through 38

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