His towering height was caused by an overactive pituitary gland.
One possibility is that your intestine is overactive and things are passing through you before they get a chance to be dissolved.
Maybe it's an overactive imagination distracting him from the problem at hand.
Sometimes I find it hard to fall asleep - I put it down to an overactive brain.
The major factors are likely to be an overactive bladder and, to a lesser extent, voiding disorders.
To optimize the range of problems, some announcements targeted hard to manage preschoolers (aggressive, noncompliant, overactive); the rest simply recruited preschoolers.
Before coma supervenes behaviour may be overactive and purposeless (delirium).
Is there one event or a series of primary events that causes overactive lipid signalling?
