The eighth of the Ten Bodies is the Pranic Body. The Pranic Body brings life force and energy into your system through the breath. It is associated with purity, energy, fearlessness and self-initiation.
Mastery of the Pranic Body brings fearlessness, purity, energy and self-initiation. You feel feel fully alive and at one with all creation. In this body nothing can bother you. You have enough energy to achieve your goals. If this body is weak, you may be fearful or defensive. There may be constant feelings of anxiety and fatigue. You may look to food or stimulants for your energy.
To balance this body, do breathing exercises (pranayam).