We’ve all heard of ultra-processed foods.

What about ultra-processed light?

Ultra-processed food drives obesity and chronic disease but ultra-processed light does the same.

→ Unprocessed light (sunlight) sets your circadian rhythm, supports mitochondrial health, improves mood, regulates hormones, and so much more.

→ Processed light (fire, candle, incandescent) is more aligned with human biology. Just like some processed foods it can be good for you.

→ Ultra-processed light (LEDs, screens, blue-rich bulbs at night) disrupts melatonin, sleep, metabolism, and hunger cues.

If you’ve cleaned up your food.

Now it’s time to clean up your light.

→ Get outside within 30 minutes of waking.

→ Work near an open window & take light breaks.

→ Avoid bright overhead LEDs after sunset.

→ Use circadian friendly low level lighting.

→ Wear blue blockers at night.

Natural light is a nutrient.

Ultra-processed light is a junk input.

If you want optimal health, eat real food and live under real light.