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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
There are approximately 3 million unintended pregnancies in the United States each year.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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.