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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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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.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Total fertility rates (TFRs) among major regions of the world. Total fertility rates (TFRs) among major regions of the world.
The uterus. Cutaway view shows regions of the uterus and cervix and its relationship to the uterine The uterus. Cutaway view shows regions of the uterus and cervix and its relationship to the uterine
The regions of the colon beginning with the cecum and ending at the anus. The regions of the colon beginning with the cecum and ending at the anus.
Understanding Food Claims Not all label claims are created equal! Understanding Food Claims Not all label claims are created equal!
Frontal section through the right side of the skull showing the three principal regions of the ear Frontal section through the right side of the skull showing the three principal regions of the ear
Body Regions in the Somatosensory Cortex Body Regions in the Somatosensory Cortex
Video: Genetics of Cancer

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