Place the XLR8 over each of the kidney/adrenal, thymus, spleen, and the liver. Symptomatic use over the sinuses may be clincian's preference.
There are many practitioners that the primary basis is focusing on helping those with allergies. The cascade of allergy reactions in the body is extensive; IgA, IgE, IgG4, IgM, intestinal permeability, adrenal involvement, liver etc.
Using laser can help support the immense energy that is needed by the body due to the inflammation reactions, necessary tissue regeneration, improper cell communication etc.
Read "Hidden Food Allergies" by James Braly M.D. You can identify and control what you put in your mouth (although you cannot control the pollen).
All of the Brain/Body FIT® Foundations of Health are important but lab test and balance Essential Fatty Acid ratios in the body is what many (not all) need just for symptomatic relief.
Provide any and all techniques and nutritional programs but the laser makes EVERYTHING work more efficiently.