Stiffness, tremors, and trembling may be more noticeable, and changes in facial expressions can occur.
Cognitive decline and dementia, old age at onset, a more advanced disease state, and presence of swallowing problems are all mortality.
Journal of Parkinson's Disease.
Feeling dizzy or fainting can be a sign of low blood pressure and can be linked to Parkinson's disease PD.
Never drinking caffeinated beverages is also associated with small increases in risk of developing PD.
CR versions of levodopa are available.