The purpose of NAALT is to be a forum for therapeutic light therapy practitioners in North America (Mexico, USA and Canada). It is our intention to promote phototherapy as a valid treatment, and to improve understanding of photobiological mechanisms, basic therapeutic light physics, safety, treatment parameters, techniques, regulatory issues and reimbursement.

While exhibiting at a chiropractic trade show a couple years ago, a wily old doctor asked me, "How do you know you're not causing cancer?" which is an excellent question. Let's talk about laser and its effects on tissue.

To summarize, an increasing number of chiropractors are discovering Class IV therapy lasers to be an effective modality for pain management and injury healing. They have the ability to deliver a therapeutic dosage in less time, but also carry an increased risk of eye injury and must be used in a closed room with everyone wearing laser-specific eye protection.

This article will help you calculate the energy density of a therapy laser.

This new class of therapeutic lasers of laser therapy delivers higher-powered penetrating infrared energy to deeper target sites, as well as shortening treatment times for wide area applications.