Trichloroethylene

Chemicals in Our Environment

We have always lived in a world of chemicals. Some were always part of the planet, such as water and the minerals in the earth; more and more, they’re made by humans when they convert raw materials into chemicals that we can use. As you can imagine, the problem is that whether raw or processed, chemicals can be hazardous to our health. Who hasn’t heard about parabens in skincare products? Phthalates in plastic containers? Tar and carbon monoxide from cigarettes? Formaldehyde and carbon monoxide in wood smoke? For the benefits all those products may bring, they come at a cost to our health and the health of the planet.

The major concern is that exposure to environmental chemicals can be hazardous to our health. Recently researchers published an article about the potential hazards of a chemical that could increase the risk of Parkinson’s disease by 500%. I decided to find out what I could about trichloroethylene (TCE). It’s pervasive in products we all come into contact with in everyday life. A partial list includes adhesives, cleaners, solvents, lubricants, paint strippers, pharmaceutical manufacturing, and many more. If you’re alive, you’re going to get exposed to it.

In the article, the researchers used seven case studies to make their argument that TCE contributes to Parkinson’s disease. It’s a compelling observational hypothesis. As is typical in these types of papers, there’s no way to determine cause and effect. Part of the problem is that the metabolism of TCE is complex and not completely understood.

How much exposure is too much? Chronic exposure is a problem, but what about painting one room in your house? Given that it’s impossible to have zero exposure, we need that type of research, not just on TCE but on all chemicals in our environment.

Next week we’ll take a look at chemicals in our water and wrap up with what we can do about it next Saturday.

What are you prepared to do today?

        Dr. Chet

References:
1. https://content.iospress.com/articles/journal-of-parkinsons-disease/jpd225047
2. https://www.jstor.org/stable/4619449