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Author Question: The mechanism of action of colony-stimulating factors, such as filgrastim (Neupogen), is to 1. ... (Read 48 times) |
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.
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
People about to have surgery must tell their health care providers about all supplements they take.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.