A method and apparatus for the treatment of injuries or pain associated with the neck, spine, lower back, sacrum or central nervous system. Apparatus can also be used to cool and relax the body. The particular embodiment utilizes a neck wrap that is activated to produce an endothermic reaction to draw heat from, or apply cold to, the neck, spine and central nervous system. A clear or transparent layer is also used to help with visual inspection. In another embodiment a neck wrap contains ice cubes to draw heat from, or apply cold to, the neck, spine and central nervous system. Layers are used to accomplish different applications and colors are used to associate with selected sport teams colors or camouflaged as may be required in a battlefield environment. Another embodiment utilizes a similar device and design for a lower back wrap.