Multiple sclerosis is the ultimate player. From “catch me if you can” to that old favorite, “hide and seek”. First you see it, then you don't. Don't get too confident or it'll sneak up on you with a big, “Gotcha!”

You may pass me on the street one day and see a healthy, vibrant woman with a spring in her step. Yet another day you may plainly see the struggle on my face, the slower pace, the awkward gait and the unmistakable sound of shoes slowly sliding on the pavement. Yet...