Me too. I can see on my MRIs that my brain mass is decreasing, even though there are no new lesions. I'm not quite 40 years old yet and am physically and ment

Me too. I can see on my MRIs that my brain mass is decreasing, even though there are no new lesions. I'm not quite 40 years old yet and am physically and mentally very active. Does it matter? Time will tell...