Physician shares why too much time indoors has a 'hidden health tax'

Dr. John La Puma, a California physician and expert in nature-based medicine, discusses how humans spend about 93% of their lives inside, which comes with a "hidden health tax."

Dr. John La Puma, a California physician and expert in nature-based medicine, discusses how humans spend about 93% of their lives inside, which comes with a "hidden health tax."