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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

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The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen
The grand opening of the huge Miraflores lock on the Panama Canal in October, 1914. The locks were b The grand opening of the huge Miraflores lock on the Panama Canal in October, 1914. The locks were b
Children with disabilities used to be sent to special schools. In a process called mainstreaming or ... Children with disabilities used to be sent to special schools. In a process called mainstreaming or ...
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ... The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ...
Video: Heart Chambers

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