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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
The human body produces and destroys 15 million blood cells every second.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.