It depends on the case; there is no single guideline.
Review: in Parkinson's, coffee/caffeine, physical exercise, and possibly tobacco/nicotine are associated with lower risk, while some dairy products may be associated with higher risk. Lifestyle seems to influence risk and course, although the evidence is mostly observational.
View the study (study) →Lifestyle · Highest evidence: Low · 1 finding
Information, not medical advice. Prescription drugs require a doctor.
Information, not medical advice. Scientific evidence reflects the quality of the studies.