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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.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Worldwide Mortality Rates and Causes of Death in Children Under Age 5 Worldwide Mortality Rates and Causes of Death in Children Under Age 5
Because of immature visual-motor coordination, young children find it hard to throw and catch small ... Because of immature visual-motor coordination, young children find it hard to throw and catch small ...
Children’s interactions with older siblings may help promote an understanding of other people’s ... Children’s interactions with older siblings may help promote an understanding of other people’s ...
Shown is the electronic circuit inside a ceramic disc MAP sensor used on many Chrysler engines. The ... Shown is the electronic circuit inside a ceramic disc MAP sensor used on many Chrysler engines. The ...
An insertion sequence (IS), shown in purple An insertion sequence (IS), shown in purple
Draw a full and complete mechanism for the following reaction shown below. Draw a full and complete mechanism for the following reaction shown below.
Video: Humerus Adduction Animation

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