HEALTH NEWS   ·         Vitamin D, omega-3 associated with less fatigue and disability in MS patients ·         Open Your Mind, Close Your Mouth: Oral Breathing Impedes Optimal Brain Activity ·         Artificial sweetener has potential to damage gut, finds study ·         The Surprising Benefits of Peppermint Oil for Runners ·         Use of acid reflux drugs linked to higher risk of migraine ·         Low intensity exercise linked to reduced depression