Sudden impact to the joints (i.e. backward or forward force) can cause a dislocation which can either be a complete dislocation or a partial dislocation. A joint dislocation can damage adjacent structures usually by nerve and vessel impingement causing parethesias and paralysis. Manual correction of the dislocated joint is often favored.
No. The person has to live with you for the full 12 months.
Narcotic affect the brain Because of how opiates affect the brain, when someone takes these drugs they attach to the body's many opioid receptors