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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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.
There are more sensory neurons in the tongue than in any other part of the body.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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.