System programming languages differ from application programming languages in that they are more concerned with managing a computer system rather than solving general problems in health care, game playing, or finance. System languages deal with: 1  Memory management. 2  Process management.
Part of the reason we lack more effective and specific drugs for anxiety is that we don't know enough about how the brain processes anxiety. This study opens up a new line of investigation into the brain circuitry that controls anxiety..
They found that inactivation of beta2 subunit, a specific sub-class of nicotinic receptors that bind nicotine, appears to reduce anxiety. This is different from the mechanism that regulates nicotine reward and likely occurs in a separate brain area.