Which of the following is a benefit of massage therapy?

Massage therapy is widely recognized for its numerous benefits, particularly in terms of improving blood flow and circulation. This is primarily achieved through the physical manipulation of muscles and soft tissues, which can promote vasodilation—this means that the blood vessels expand and allow for a greater volume of blood to flow through them. Enhanced circulation plays a critical role in delivering oxygen and nutrients to tissues, which can aid in tissue repair and reduce inflammation. The stimulated blood flow can also help remove metabolic waste products that accumulate in muscles, further contributing to a sense of overall well-being and improved function.

In contrast, the other options suggest negative outcomes related to stress, pain, and stiffness, which are commonly addressed and alleviated through massage therapy. Thus, the improvement in blood flow and circulation stands out as a key benefit that aligns with the therapeutic goals of the practice.