Amir Bahmani, PhD, and his wife, Someyra, who died n 2014 of malignant cancer that was first diagnosed as an inflamed gallbladder. Bahmani is the director of the Stanford Deep Data Research Center. (Courtesy of Amir Bahmani)
Photobiomodulation, the use of light waves to change human biology, has boomed in recent years for all kinds of purposes, at medical clinics and at home. We wanted to know what the science says — and doesn’t say.