Commentary

Is most Parkinson’s disease man-made and therefore preventable?


 

Advocacy work

Dr. Subramanian: You and I are quite interested in the sense of being advocates as neurologists, and I think it fuels our passion and helps us to wake up every morning feeling like we have something that is meaningful and purposeful in our lives. Could you describe this as your passion and how it may prevent burnout and what it’s given you as a neurologist?

Dr. Dorsey: The credit for much of this is Dr. Carlie Tanner at UC San Francisco. I had the gift of sabbatical and I started reading the literature, I started reading her literature, and I came away with that, over the past 25 years, she detailed these environmental risk factors that are linked to Parkinson’s disease. Pesticides, these dry-cleaning chemicals, and air pollution. When I read it, I just realized that this was the case.

The same time I was reading her work, I read this book called “How to Survive a Plague,” by David France, who was a member of a group called Act Up, which was a group of men in New York City who reacted to the emergence of HIV in the 1980s. If you remember the 1980s, there was no federal response to HIV. People were blamed for the diseases that they were developing. It was only because brave men and women in New York City and in San Francisco banded together and organized that they changed the course of HIV.

They didn’t just do it for themselves. They did it for all of us. You and I and many people may not have HIV because of their courage. They made HIV a treatable condition. It’s actually more treatable than Parkinson’s disease. It’s associated with a near-normal life expectancy. They also made it a preventable disease. Thousands, if not millions, of us don’t have HIV because of their work. It’s an increasingly less common disease. Rates of HIV are actually decreasing, which is something that you or I would never have expected when we were in medical training.

I can’t think of a better outcome for a neurologist or any physician than to make the diseases that they’re caring for nonexistent ... than if we lived in a world that didn’t have HIV, we lived in a world where lung cancer largely didn’t exist. We’ve had worlds in the past where Parkinson’s probably didn’t exist or existed in extremely small numbers. That might be true for diffuse Lewy body disease and others, and if these diseases are preventable, we can take actions as individuals and as a society to lower our risk.

What a wonderful gift for future generations and many generations to come, hopefully, to live in a world that’s largely devoid of Parkinson’s disease. Just like we live in a world free of typhus. We live in a world free of smallpox. We live in a world where polio is extraordinarily uncommon. We don’t even have treatments for polio because we just don’t have polio. I think we can do the same thing for Parkinson’s disease for the vast majority.

Dr. Subramanian: Thank you so much, Ray, for your advocacy. We’re getting to the point in neurology, which is exciting to me, of possibly primary prevention of some of these disorders. I think we have a role in that, which is exciting for the future.

Dr. Dorsey: Absolutely.

Dr. Subramanian is clinical professor, department of neurology, University of California Los Angeles, and director of PADRECC (Parkinson’s Disease Research, Education, and Clinical Centers), West Los Angeles Veterans Association, Los Angeles. She disclosed ties with Acorda Pharma. Dr. Dorsey is the David M. Levy Professor of Neurology, University of Rochester (N.Y.). He disclosed ties to Abbott, AbbVie, Acadia, Acorda Therapeutics, Averitas Pharma, Biogen, BioSensics, Boehringer Ingelheim, Burroughs Wellcome Fund, Caraway Therapeutics, CuraSen, DConsult2, Denali Therapeutics, Eli Lilly, Genentech, Health & Wellness Partners, HMP Education, Included Health, Karger, KOL Groups, Life Sciences, Mediflix, Medrhythms, Merck; MJH Holdings, North American Center for Continuing Medical Education, Novartis, Otsuka, Pfizer, Photopharmics, Praxis Medicine, Roche, Safra Foundation, Sanofi, Seelos Therapeutics, SemCap, Spark Therapeutics, Springer Healthcare, Synapticure, Theravance Biopharmaceuticals, and WebMD.

A version of this article appeared on Medscape.com.

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