Definition of pleasantry. plural. pleasantries. 1 : a humorous act or remark : jest. 2 : an agreeable playfulness in conversation : banter. 3 : a polite social remark exchanged pleasantries.
Parkinson-plus syndromes are a group of neurological conditions that are similar to Parkinson's disease but have unique characteristics. These syndromes can be hard to diagnose because the symptoms mimic other conditions. Following are the four most common types of Parkinson-plus syndromes.
parkinson s disease pd is a type of movement disorder it happens when nerve cells in the brain don t produce enough of a brain chemical called dopamine sometimes it is genetic but most cases do not seem to run in families exposure to chemicals in the environment might play a role