"This used to be considered crazy." 🧵

The light bulbs in nearly every home, school and hospital were swapped out in the last decade.

Andrew Huberman told Bill Maher what we lost: the red and infrared old incandescent bulbs gave off. Today’s LEDs are mostly short and medium wavelength, light that "has been shown to damage the mitochondria."

"This used to be considered crazy." 🧵

— A Midwestern Doctor (@MidwesternDoc) October 30, 2026