Red light therapy is increasingly viewed as a promising treatment[1] for wrinkles, acne, psoriasis, scars and sun-damaged skin, and as a supportive therapy for some kinds of cancer. But does red light therapy live up to the hype[2] that it’s practically a panacea for all sorts of ailments?
Praveen Arany[3] is a professor of oral biology, biomedical engineering and surgery at the University of Buffalo and an expert on the...