Of the following, which are the major risk factors for parkinson’s disease?

You did not provide options,, which makes this question difficult to answer. however,, there are many major risk factors for developing Parkinson's disease that i will name and hopefully one of them is one of your options.
the disease typically occurs in those who are increasing of age and are 50 or older. along with this,, many things like medications,, heavy exposure certain toxins,, head injuries,, gene variations,, or a family history can make a person more likely to develop the disease. however,, the most common risk factor is increasing age.
let me know if you have any further questions
:)

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