Listen to “Light Therapy – Biophotonics (Part 1) – Yvonne Hedeker 5/5/17” on Spreaker. Listen to “Light Therapy – Biophotonics (Part 2) – Yvonne Hedeker 5/5/17” on Spreaker. Biophotonics or light therapy is one of the most promising new technologies in health and wellness. It’s not surprising when you think about it. Light is the …