Missing this filter can make the cells overactive, Soderling said.A third theory, the «dopamine hypothesis,» points to elevated levels of the brain chemical dopamine. (today.duke.edu)
Since February, 2007, we have been teaching a new, third theory as an alternative to the «alienation - versus - abuse» debate. (newways4families.com)
And then the third theory says that overwhelming exposure to hard times actually desensitizes us. (relevantmagazine.com)