What is a basic foundational principle of chiropractic care?

A) Structure and function coexist.
B) Chiropractic care is risk free.
C) Human beings need external hands-on care to be healthiest.
D) Subluxation will cause permanently restricted joint movement.

Chiropractors use their hands as instruments to restore structural and functional balance.Practitioners of chiropractic care believe that general health is affected via the nervous system.Chiropractic care is not risk free,just as allopathic medical care is not risk free.Subluxation eventually can cause permanently restricted joint movement,but this is not a basic foundational principle of chiropractic care.Although hands-on care is used in chiropractic care,a natural diet and regular exercise are critical components for the body to function properly.