Harvard Gazette article on new research from, Alberto Ascherio, Merit E Cudkowicz, and colleagues, first author Kjetil Bjornevik, finding that consuming omega-3 fatty acids — particularly alpha-linolenic acid (ALA), a nutrient found in foods including flaxseeds, walnuts, and chia, canola, and soybean oils — may help slow the progression of disease in patients with amyotrophic lateral sclerosis (ALS).