Alesia Derks watched her father and other family members deal with Parkinson’s disease. When her hand tremors began getting worse, she knew what the diagnosis would be. (Chris Clark | Spectrum Health Beat) “When the tremors started, I thought, ‘No, no, no. It can’t be me,’” Alesia said. Her neurologist, Ashok Sriram, MD, prescribed a medication to help control her hand tremors. (Chris Clark | Spectrum Health Beat) Dr. Sriram also sent Alesia to LSVT Big and Loud therapy, a…