Specialties including therapists, athletic trainers, and dietitians fall under the umbrella title of what?

During the twentieth century, as a result of technological and therapeutic advances, over 200 specialties were added to the health care team under the umbrella title of allied health . Some of these, such as physical therapists, athletic trainers, and dietitians, are well known to the public.

The answer is b. increased blood flow reduces nerve sensitivity