A 42-year-old man presents to the PMHNP for a follow-up appointment to re-evaluate his symptoms of generalized anxiety disorder. He says, "I have been getting weekly massages and they have helped so much! Why are massages so relaxing?" What is the appropriate response?

Choice A reason: While increased circulation is a proposed benefit of massage, the mechanism of anxiety reduction is more complex and involves nervous system modulation, not solely lymph flow or muscle tone. Choice B reason: The idea of manipulating points of energy flow is not supported by scientific evidence; endorphin release may occur, but this description is oversimplified and partly inaccurate. Choice C reason: The statement about crystalline deposits and energy flow is pseudoscientific and does not reflect physiologic mechanisms. Choice D reason: Massage therapy has demonstrated physiologic effects including reductions in heart rate, blood pressure, and respiratory rate. Studies also show increased alpha brain wave activity, indicating relaxation, and decreased perceived anxiety. These responses reflect modulation of the autonomic nervous system and central nervous system, explaining the observed relaxation.