Kara Swisher questions the red-light therapy obsession

A new CNN Original Series “Kara Swisher Wants to Live Forever” examines the science, business, and ideology behind the pursuit of longer life.

In this digital exclusive, Swisher solves the debate if red-therapy is backed y science or expensive hype. Watch the next episode of the series Saturday, April 18 at 9pm ET/PT on CNN, streaming next day on the CNN app.