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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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.
Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.