HEALTHY AND UNHEALTHY DIETS

Published: 2026-02-06 Updated: 2026-02-06

Rector Advisor, Vice Dean, and Faculty Member - Istanbul Kent University, Faculty of Pharmacy, Departmant of Pharmocology
Visiting Researcher&Lecturer - University College London, Mechanical Engineering and Faculty of Medicine, UK
Visiting Lecturer - University of Aveiro, Faculty of Biomedical Engineering, Portugal

Editorial note

Map of Health content is prepared with an evidence-based approach. References are provided for transparency.

Medical disclaimer

This content is for informational purposes only and does not replace professional medical advice, diagnosis, or treatment. If you have an urgent medical concern, seek immediate care.

"Structuring diets based on sustainability and nutrient diversity helps maintain metabolic rate, while contributing to the prevention of muscle loss and hormonal imbalances caused by monotonous eating or extreme calorie restriction."

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HEALTHY AND UNHEALTHY DIETS

Category	Diet Feature	Health Impact	Action Items
Healthy	Balanced nutrient intake	Boosts energy and immunity	Maintain nutrient balance
Healthy	Natural and unprocessed foods	Strengthens digestion and immunity	Avoid processed foods
Healthy	Adequate water consumption	Accelerates metabolism	Drink sufficient water
Healthy	Fiber-rich nutrition	Protects gut health	Prefer high-fiber foods
Healthy	Protein, carb, and fat balance	Provides weight control	Consume balanced food groups
Unhealthy	Extremely low-calorie diets	Muscle loss and slow metabolism	Avoid low-calorie diets
Unhealthy	Monotype nutrient diets	Nutrient deficiencies may occur	Diversify the diet
Unhealthy	Processed food consumption	Risk of obesity and diseases	Select natural foods
Unhealthy	Excessive sugar and saturated fat	Insulin resistance may develop	Limit sugar and fat
Unhealthy	Unbalanced and inadequate nutrition	Lowers immunity and energy	Create balanced meals