Where there's fire, there's smoke -- that you should avoid
The fire season is a-blazing. With it comes repeated warnings about the damage that toxic particles -- micro-fine and larger -- floating in the air can do to everyone's overall health. That's because the smoky pollution increases the risk of acute problems (heart attacks, trouble breathing, fatigue, headaches, congestion) and development of long-term health issues such as stroke, heart failure, COPD and cancer. And now you can add one more serious risk to the list: your brain health.
Researchers at the University of Rochester want you to understand that exposure to the particles in smoke can damage children's learning abilities and cause or contribute to dementia and Parkinson's disease in adults. So what can you do to protect yourself?
Any time the AQI (air quality index; discover yours at AirNow.gov) is above 100, it's smart to limit exposure, especially if you have heart disease, asthma, COPD, are pregnant, or are a child. If it's above 150, no one should exercise outdoors. If you're at high risk and have to go outside or work outdoors, wear a KN95 or N95 face mask. And here's an important tip: Be aware that air pollution affects your pet's health too -- limit outdoor walks. Indoors, keep windows closed, use HEPA air filters, and keep central air ducts clean.
For a complete rundown of how to protect your brain health -- and your body -- from premature diseases and conditions, sign up for my newsletter at michaelfroizenmd.substack.com and for help managing respiratory and heart issues, check out "YOU: The Owner's Manual, revised."
Health pioneer Michael Roizen, M.D., is chief wellness officer emeritus at the Cleveland Clinic and author of four No. 1 New York Times bestsellers. Check out his latest, "The Great Age Reboot: Cracking the Longevity Code for a Younger Tomorrow," and find out more at www.4YOUngevity.com. Email your health and wellness questions to Dr. Mike at drmikerealage@gmail.com.
(c)2026 Michael Roizen, M.D.
Distributed by King Features Syndicate, Inc.
(c) 2026 Michael Roizen, M.D. Distributed by King Features Syndicate, Inc.
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