Mindfulness directed to the body is a set of exercises, a methodology. Breathing, posture, attention to and meditation on death, etc. Directing mindfulness to the body is a prerequisite to gaining mindfulness of mental processes, and are helpful because it makes us really consider our impermanence, since the body is a perfect example of it.
This mindfulness brings freedom from bondage, clear comprehension, a happy life. We become "deathless." Is it safe to say that practicing Mindfulness directed to the body replaces death with change, and removes he bad mental states which cause us anguish?