https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6370430/#:~:text=Patients%20with%20vitamin%20C%20deficiencies,and%20is%20associated%20with%20parkinsonism.

Please take the time to read everything you can about this disease...there are always answers and it is God's desire that your brother be made whole....never, ever give up...God is faithful...prayers for your family...God bless you...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6370430/#:~:text=Patients%20with%20vitamin%20C%20deficiencies,and%20is%20associated%20with%20parkinsonism.

Please take the time to read everything you can about this disease...thee are always answers and it is God's desire that your brother be made whole....never, ever give up...God is faithful...prayers for your family...God bless you...