This link goes to the text-only version of the story. To see the pictures and video (the story kind of needs them), go to the full site <https://www.npr.org/20

This link goes to the text-only version of the story. To see the pictures and video (the story kind of needs them), go to the full site <https://www.npr.org/2023/12/22/1198908957/led-lights-flicker-headache https://www.npr.org/2023/12/22/1198908957/led-lights-flicker...>