The 2014 Irving, Texas, population is 217,021. There are 3,238 people per square mile (population density). The median age is 31.2. The US median is 37.2. 51.82% of people in Irving, Texas, are married. 10.00% are divorced. The average household size is 2.65 people. 38.39% of people are married, with children. 20.39% have children, but are single. 57.80% of people are white, 12.11% are black, 14.50% are asian, 0.67% are native american, and 12.50% claim 'Other'.
A person with involuntary head shaking could be suffering from a condition called essential tremor. Essential tremor is a condition that involves involuntary shaking of the head and the hands. This condition can worsen in some people if they are sitting or standing in a certain position.
shake verb (MOVE) B1 [ I or T ] to move backwards and forwards or up and down in quick, short movements, or to make something or someone do this: A young boy climbed into the apple tree and shook the branches so that the fruit fell down. Babies like toys that make a noise when they're shaken.