Diet - an eating regimen that aims to help you achieve a certain weight; nourishment to give your body energy; a weight-reduction plan; limiting. If a person does not consume enough calories, it can jeopardize their health. Your body needs a certain amount of fat, protein, carbohydrates and calories to stay healthy.

Nutrition - food; nourishment

Fitness - being in shape; athleticism; exercise or workouts

Exercise - workout; stay active. This is beneficial to your brain, heart, for flexibility and to your mental health. Exercise gives you energy, can increase self-esteem and can be a release from stress.