Did you know?
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.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
A typical oil pressure sending unit on a Ford V-8.
Cutaway view of a typical alternator.
Typical hookup of a starting and charging tester.
Poor single parents and their children
Typical pattern of the stages of labour for first births and subsequent births
Chromatin readers, writers, and erasers