Healthy diet
Healthy diet
A Healthy diet (pronunciation: /ˈhɛlθi daɪət/) is a diet that helps to maintain or improve overall health. A healthy diet provides the body with essential nutrition: fluid, macronutrients, micronutrients, and adequate food energy.
Etymology
The term "diet" comes from the Greek word "diaita," which means "way of life." The concept of a "healthy diet" has evolved over time to mean a balanced intake of food that promotes good health.
Related terms
- Nutrition: The science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health, and disease of an organism.
- Macronutrients: A type of food (e.g. fat, protein, carbohydrate) required in large amounts in the human diet.
- Micronutrients: A type of food (e.g. vitamins, minerals) required in small amounts in the human diet.
- Food energy: The amount of energy obtained from food that is available through cellular respiration.
Components of a Healthy Diet
A healthy diet includes a variety of food groups and reduces the risk of many diseases. Here are some components of a healthy diet:
- Fruits and Vegetables: They are high in vitamins, minerals, and fiber but low in calories. Eating a variety of fruits and vegetables may help prevent heart disease and strokes.
- Whole grains: Whole grains are a good source of fiber and other nutrients that play a role in regulating blood pressure and heart health.
- Lean meats and poultry: These provide good sources of protein and have less fat and fewer calories than meats with a higher fat content.
- Fish: Certain types of fish are rich in omega-3 fatty acids, which can improve heart health.
- Nuts and legumes: These are good sources of protein and contain many beneficial nutrients and antioxidants.
- Dairy: Dairy products provide calcium and vitamin D to help maintain bone health.
See also
External links
- Medical encyclopedia article on Healthy diet
- Wikipedia's article - Healthy diet
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