Upper cervical treatment will be useless unless you practice good head and neck posture while sleeping and resting. The 'twist the head and pop the neck' adjustment is too aggressive for most and can cause inflammation. Inflammation is the enemy.

Personally, after seeing many chiros, I'd find one that works well with you and your body and stick with him/her.

The anti-inflammatory food diet link needs a key. What do the brown vs green colors mean ? The fructose free sweetener is not good for PCS. Stevia is OK but the other non-sugar sweeteners are not.

Most treatments by specialists are focused on specific symptoms. What symptoms are you trying to treat ?