While driving down an East Texas country road I spotted this scene. The autumn trees and the late afternoon sun made these golden bales of hay shine just a little bit more. Fortunately I had my camera with me. (c) James Q. Eddy Jr.

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Can red light therapy really deliver a beauty and health glow-up? Here's the science

NPR | By Maria Godoy

Published April 14, 2026 at 3:01 PM CDT

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Social media influencers claim red light therapy can deliver everything from younger-looking skin to more hair growth, better sleep and even boost longevity. Does science back up those claims?

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Maria Godoy

Maria Godoy is a senior science and health editor and correspondent with NPR News. Her reporting can be heard across NPR's news shows and podcasts. She is also one of the hosts of NPR's Life Kit.