- Ozzy Osbourne died on Tuesday after living with Parkinson’s disease for nearly six years.
- The Black Sabbath singer was diagnosed with the progressive neurological condition in 2019 and had been experiencing constant pain for the past year.
- Parkinson's disease, which currently has no cure, is caused by the death of dopamine-producing nerve cells, leading to three main symptoms which include tremor, slowness of movement, and rigidity.
- Some subtle symptoms may include a change in a person’s walking pattern, very small handwriting, a loss in their sense of smell, nerve pain or insomnia.
- Symptoms, which can develop slowly over several years, usually occur when the brain is no longer able to make enough dopamine to adequately control movement.
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