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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.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Excessive alcohol use costs the country approximately $235 billion every year.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.