For centuries, man has searched for miracle cures to end suffering caused by disease and injury. Many researchers believe nanotechnology applications in medicine may be mankind’s first ‘giant step’ toward this goal. According to Freitas nanomedicine is:

The comprehensive monitoring, control, construction, repair, defense, and improvement of all human biological systems, working from the molecular level, [...]

MRI scans show that physicians’ brains learn to edit out emotional reactions to patients’ pain during medical procedures, letting them do their jobs. 

(Excerpt) The burning pain in Ellen’s arm was due to the rapid application of propofol, a paper-white liquid medication, which the perceptive Dr. Frank had plugged into Ellen’s IV the second he heard the c-word (cancer). When he saw her reaction, he pushed. The drug, sometimes called “milk of amnesia,” stings some patients sharply in the [...]