[BeauBo]

Poor posture is a cardinal symptom of Parkinson’s, and that symptom can lead to falls, poor digestion and decreased respiratory functions.

[palmer]

Poor posture is a cardinal symptom of Parkinson’s

The cardinal symptom is gait. Walking with shuffling is the main indicator, and that starts at a time when you still have a decade or two to live. Most Parkinsons patients die of something else, or falls.