Nutrition and Dietetics professionals specialize in developing nutrition plans and programs based on nutrition science principles to promote lifelong health and improve quality of life within communities. They investigate nutrition-related health issues, promote optimal food resource utilization, and educate individuals and society on healthy lifestyle adoption considering physiological, psychological, and sociological factors. Key responsibilities include addressing poor dietary habits, a major factor in common diseases, and establishing nutrition standards in organizations. They also create customized diet plans for patients managing chronic conditions.