The suffix ist means one who, that which.
Answer:
Everyone has their ups and downs in various parts of their lives, but striving to improve the six dimensions of health at all times is the sign of a person with wellness. On the other hand, when the six dimensions of health are not properly maintained, premature death is often the result
Explanation:
its quite simple actually between a person with good wellness and one heading premature death.
*a person with good wellness* doesn't do drugs, nor drink or smoke.
one heading premature death may be severely contaminated.