Because it works, it's safe, it's non-invaseive and it has no negative side effects.
AND it offers a cash based revenue stream.
High Intensity Laser Therapy is recognized by the FDA as a safe and effective treatment for
a multitude of conditions and injuries. Unlike injections and prescriptions which just mask the symptoms and do nothing to treat the injury, High Intensity Laser Therapy reduces inflammation, increases blood flow, stimulates tissue growth, and helps aid the body’s own healing process without drugs or invasive procedures.