Mitigation of cancer therapy side effects with light Light from low level laser therapy through a process called photobiomodulation (PBM) has been in existence in supportive care in cancer in particular in the management of oral mucositis (OM) in patients undergoing chemotherapy radiation therapy and haematopoietic stem cell transplantation. In this book the authors attempt to portray the current status of the supportive care interventions that are possible with PBM using low level laser therapy (LLLT) in patients undergoing cancer treatment for solid tumours harmatological malignancies and head and neck cancers