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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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There are 20 feet of blood vessels in each square inch of human skin.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Children make a fast adjustment to a new culture, although, as with these Hmong children in ... Children make a fast adjustment to a new culture, although, as with these Hmong children in ...
Couples whose marriages have become distant or hostile can make changes in their patterns of ... Couples whose marriages have become distant or hostile can make changes in their patterns of ...
A medical assistant should present a neat appearance and make it a habit to wear a smile. A medical assistant should present a neat appearance and make it a habit to wear a smile.
A food diary can help patients identify unhealthy eating habits and make healthy choices. A food diary can help patients identify unhealthy eating habits and make healthy choices.
Myelin sheath Myelin sheath
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

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