Is red-light therapy worth the hype? Kara Swisher weighs in.
Red-light therapy — backed by science or expensive hype? Kara Swisher breaks down if this wellness trend is worth it.
“Kara Swisher Wants to Live Forever” is now streaming on the CNN app.
Watch full episodes here: https://www.cnn.com/kara-swisher-wants-to-live-forever
Watch more CNN here: https://cnn.it/4kh5RPe
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