The U.S. Food and Drug Administration has not approved any medication for the treatment of behavioral agitation in dementia. However, the first line of defense is usually a traditional major tranquilizer such as haloperidol (Haldol), thioridazine (Mellaril), thiothixene (Navane) or perphenazine (Etrafon, Trilafon).
Yawning is a reflex action, which causes us to open our mouth wide and inhale a large amount of air, which is then followed by its exhalation.Though yawning is more commonly associated with boredom, fatigue, sleepiness, overwork or stress, many of us also yawn when we wake up or simply when see others yawn.ut of the various theories regarding what causes a yawn, the most important ones are given below. A yawn is contagious, in the sense that it can easily spread to the person who is observing the other person yawning.
The evolution theory: Some think that yawning began with our ancestors, who used yawning to show their teeth and intimidate others. An offshoot of this theory is the idea that yawning developed from early man as a signal for us to change activities [source: University of Washington]. The boredom theory: Although we do tend to yawn when bored or tired, this theory doesn't explain why Olympic athletes yawn right before they compete in their event or why dogs tend to yawn just before they attack.