Answer:
1. disease
2. health
3. nutrition
4. wellness
Explanation:
1. Disease refers to a disorder or condition that prevents an organ/system from functioning normally and affects adversely the quality of life of an individual.
2. According to the World Health Organization, health is a state of a complete physical, mental, emotional, and social well-being.
3. The study of food intake and the effects it has on the body is known as nutrition.
4. Wellness refers to the state of good overall health.