Doctor separates fact from fiction on cold plunges and red light therapy
Fox & Friends launched Wellness Week to examine the validity of popular health trends like red light therapy and cold plunges. Dr. Marc Siegel explained that red light therapy uses safe LED light to potentially aid skin healing and collagen production, though results may take several weeks. While participants reported mental and physical benefits from hot and cold therapies, experts advised consulting a doctor before trying such extreme treatments.
- ▪Fox & Friends began Wellness Week to investigate social media health trends, including red light therapy and hot-cold plunges.
- ▪Red light therapy uses LED light close to infrared to potentially support skin recovery and collagen, according to Dr. Marc Siegel.
- ▪Participants experienced intense stress responses during cold plunges after sauna sessions, reporting improved mental clarity and mood.
- ▪Dr. Siegel emphasized that while some benefits exist, individuals should consult a physician before attempting extreme temperature therapies.
- ▪Wellness Week will continue exploring trends such as IV drips, wearable tech, and sensory deprivation tanks.
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Lifestyle Doctor separates fact from fiction on cold plunges and red light therapy By Fox News Published May 4, 2026, 8:34 p.m. ET Originally Published by: Fox & Friends has officially launched Wellness Week, a dedicated series aimed at navigating the world of social media health trends. “The internet is jam-packed with millions of these trends that are promising you a healthier, younger and more energized life. But it’s hard to tell what’s a real hack or just hype,” said host Kayleigh McEnany. To find out, the team traveled to downtown New York City to experience popular treatments firsthand, specifically focusing on the science behind red light therapy and the intense contrast of hot and cold plunges.
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