Johnson shared his diagnosis in an exclusive interview with "GMA" co-anchor Michael Strahan.
The stolen photograph, worth around $500, was helping to raise thousands of dollars for various ALS organizations.
The oral medication can be taken as a standalone therapy or with other treatments, according to the company, and it has been shown to slow disease progression.
Despite his diagnosis, Hopkins said he plans to keep "rocking" for "many years to come."
Through his fight for healthcare justice, Ady Barkan's journey with ALS is shifting the national conversation of what it means to be an accomplice to historically underrepresented, marginalized and excluded communities.
Battling ALS is not a fight Chicago Bears legend Steve McMichael ever thought he would have to wage.