Ключевые слова: awareness, background, biology, brain, campaign, care, charity, clinic, collection, concept, day, diagnosis, disease, disorder, element, emblem, global, health, heart, help, human, icon, illness, illustration, international, isolated, medical, medicine, ms, multiple, nerve, nervous, neurology, orange, ribbon, science, sclerosis, set, shape, sick, sign, solidarity, spinal, struggle, support, symbol, system, world,