SMA Types 3 and 4 Linked to Atrophy in the Neck Area & Costs of Independence When You Have SMA

Michael Morale discusses how damage that marks SMA types 3 and 4 are linked to atrophy in the neck area of spinal cords. Also, Kevin Schaefer discusses a column that he wrote regarding the cost of independence that those of us with SMA face on a day-to-day basis.