Streaks of car lights fo the lenfth of a city street, with a theater sign (reading “Chicago”) looming large in the background.
Photo by Neal Kharawala on Unsplash

Cutting Night Light Exposure Could Slash Your Diabetes Risk

Michael Hunter, MD
BeingWell
Published in
4 min readSep 7, 2024

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Did you know that cutting night light exposure could slash your diabetes risk?

A couple of weeks ago, I had a dialogue with a patient about the rising diabetes epidemic in Mexico.

I began to think about the situation closer to home and was shocked to learn this:

Nearly four in 10 Americans are pre-diabetics.

Well, I have some good news for you.

Avoiding bright light at night may be an inexpensive and easy way to delay (or prevent) type 2 diabetes.

First, a brief look at numbers.

New York City ablzae in nocturnal light.
Photo by Denys Nevozhai on Unsplash

What is Pre-Diabetes?

I’ll begin with a definition from the Mayo Clinic.

Pre-diabetes means that your blood sugar level is higher than normal but is not high enough to be considered type 2 diabetes yet.

While you may think you’ve dodged peril if you don’t have a diagnosis of type 2 diabetes, those with pre-diabetes have a high risk of developing full-blown diabetes.

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Michael Hunter, MD
BeingWell

I have degrees from Harvard, Yale, and Penn. I am a radiation oncologist in the Seattle area. You may find me regularly posting at www.newcancerinfo.com