Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Appendectomy. The appendix and cecum are brought through the incision to the surface of the abdomen.
chem: acid-base
Natural defenses against stomach acid
Structural similarities between antimetabolites and their natural counterparts.
Acid–Base Balance
Three Modes of Natural Selection