How can Parkinson’s disease cause depression?

How can Parkinson’s disease cause depression?

For many people, the challenges of Parkinson’s disease are enough to cause depression.

But scientists believe that depression in Parkinson’s might also come from changes to certain chemicals in the brain:

• Dopamine.
• Norepinephrine.
• Serotonin.

Those chemicals help control your:

• Appetite.
• Energy.
• Mood.
• Motivation.
• Movement.
• Sleep.
• Thinking skills.