Cold plunges, red-light therapy. Why some swear by biohacking while others raise concerns

Source: WTVJ, NBC6 South Florida
https://www.nbcmiami.com/news/local/cold-plunges-red-light-therapy-why-some-swear-by-biohacking-while-others-raise-concerns/3397639/

Nir Barzilai is featured in this news story on the biohacking movement has taken the health and wellness industry by storm.