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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Approximately 500,000 babies are born each year in the United States to teenage mothers.