Is dementia in Parkinson & #39; disease related to chronic stress, anxiety, and depression ?

Conclusion: This study concludes that higher levels of salivary cortisol and alpha-amylase at baseline and poststress task with normal levels of chronic stress and anxiety were associated with no dementia in PD. Presence of higher levels of acute, chronic anxiety, and stress along with depression with lower cortisol reactivity to stressor suggests onset of dementia in Parkinson's patients.
Source: Annals of Indian Academy of Neurology - Category: Neurology Authors: Source Type: research