> Could it also be that a slight adjustment in any area indirectly triggers adjustments in areas that are related to depression? Yes, that's what's happening.

> Could it also be that a slight adjustment in any area indirectly triggers adjustments in areas that are related to depression? Yes, that's what's happening. Basically any sensory stimulation alleviates depression, including (but not limited to) raising or lowering the levels of pretty much any neurotransmitter.