1. What is it?
A brain disorder where dopamine cells die → causing movement problems.
2. Symptoms
Motor: Tremor, slow movement, stiffness, balance issues
Non-motor: Sleep problems, depression, constipation, loss of smell
3. Causes
Genes + toxins + aging.
4. Facts
Affects millions; more common after 60; no cure yet.
5. Key Mechanisms
Dopamine loss
Alpha-synuclein clumps
Mitochondrial damage
Oxidative stress
Inflammation
Poor cell clean-up (autophagy)
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