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What is nutrition?

Nutrition, nourishment, or aliment, is the supply of materials - food - required by organisms and cells to stay alive. In science and human medicine, nutrition is the science or practice of consuming and utilizing foods.
Nutritional science studies how the body breaks food down (catabolism) and repairs and creates cells and tissue (anabolism) - catabolism and anabolism = metabolism. Nutritional science also examines how the body responds to food.
As molecular biology, biochemistry and genetics advance, nutrition has become more focused on the steps of biochemical sequences through which substances inside us and other living organisms are transformed from one form to another - metabolism and metabolic pathways.
Nutrition also focuses on how diseases, conditions and problems can be prevented or lessened with a healthy diet.
In nutrition, diet is the sum of food consumed by a person or other organism. The word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with the two often being related). Although each person holds some food preferences or some food taboos. This may be due to personal tastes or ethical reasons. Individual dietary choices may be more or less healthy.
Complete nutrition requires ingestion and absorption of vitamins, minerals, and food energy in the form of carbohydrates, proteins, and fats. Dietary habits and choices play a significant role in the quality of life, health and longevity

The Advantages of Diet Plan AND Regular Walk.....

When it comes to diet , most people decide to make healthier choices when they want to drop a few pounds. Losing weight to look fabulous is only one advantage of adapting a healthier lifestyle. For many individuals, the motivation to change their current diet and exercise routine may be found in the many health benefits that can be achieved.

Healthy Body

Eating healthy and exercising/walking for a minimum of 30 minutes a day can dramatically reduce your risk of many serious diseases. Diabetes, high-blood pressure, osteoporosis, arthritis and cancer are only a few more of the diseases that can be prevented with a healthy diet and exercise.

Improves Mental Health

Eating a nutritious, well-balanced diet keeps the brain functioning properly and can help stabilize mood swings. Exercise triggers chemicals in the brain called endorphins that help you feel happy and relaxed. Through better diet and exercise, you will reduce stress, increase mental alertness, reduce depression and improve your self-esteem.

Keeps Weight Controlled

A healthy diet and daily walk will keep you body fat low and your weight under control. When you move your body, you burn calories, and when you eat healthy, you consume fewer calories. The fewer calories you eat and the more calories you burn, the easier it is to lose weight and keep it under control..

Increases Energy

Your diet also can affect your energy levels. When you eat a balanced diet that is rich in vitamins and minerals, you provide your body with the energy it needs to function properly. Choose lean proteins, complex carbohydrates and essential fatty acids and avoid sugar, caffeine and high-fat foods for the highest energy levels throughout the day.

Better Sleep

Increasing your daily activity level and eating healthy will help you get a better night sleep. When the body has the essential nutrients it needs to function properly and is getting the required amount of oxygen from moving, the brain functions better. When the brain functions better, it releases the appropriate chemicals to induce relaxation and sleep.