How long can patients live with Parkinson's?

There isn’t a simple answer, as it depends on the type and characteristics of each case ². Some people live to the same age as those who don’t have the disease. It seems that individuals with Parkinson’s disease who experience difficulties with thinking or memory have a lower life expectancy than those with normal cognitive function ¹,². One study of patients that was undertaken recently in Sweden showed that patients with Parkinson disease presenting with normal cognitive function seem to have a largely normal life expectancy ².