DEAR DOCTORS: A friend of mine was recently diagnosed with Parkinson’s disease. She has been told that exercise — especially swimming — can be helpful. She isn’t a strong swimmer and is afraid to try now. Why are people with Parkinson’s advised to swim? Are there any drawbacks?
DEAR READER: Parkinson’s is a progressive neurological disease that causes changes to the centres of the brain that control movement. These lead to decreased production of a neurotransmitter known as dopamine, which is crucial to our ability to generate smooth and sustained movement. Over time, Parkinson’s interferes with walking, balance, strength, endurance and co-ordination. It can also adversely affect mood, emotions, sleep and cognition.
There is no cure for Parkinson’s disease at this time. But certain medications, and combinations of medications, can help to manage symptoms.
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