NUTRITION. WHAT IS GOOD NUTRITION?
Nutrition is how food affects the health of the body. Food is essential—it provides vital nutrients for survival. And helps the body function and stay healthy. Most people know good nutrition and physical activity can help maintain a healthy weight. But the benefits of good food go beyond weight. Good food can help:
Good food can help: Reduce the risk of some diseases, including heart disease, diabetes, stroke, some cancers, and osteoporosis.
And reduce high blood pressure, lower high cholesterol.
It can improve your well-being, Improve your ability to fight off illness.
And improve your ability to recover from illness or injury, plus increase your energy level.
Good Food comprises macronutrients, including protein, carbohydrate, and fat, that offer calories to fuel the body. But also give it energy and play specific roles in maintaining health.
Food also supplies micronutrients
(vitamins and minerals) and phytochemicals that don’t provide calories but serve various critical functions to ensure the body operates optimally.
Healthy Food serves multiple functions in most living organisms. For example, it provides materials that are metabolized to supply the energy required for the absorption and translocation of nutrients, the synthesis of cell materials, movement and locomotion, excretion of waste products, and all other organism activities.
Food also provides materials, from which all the structural and catalytic components of the living cell can be assembled. Living organisms differ in the particular substances that they require as food. Also, in which they synthesize food substances or obtain them from the surrounding environment. And in the functions that these substances carry out in their cells. Nevertheless, general patterns can be discerned in the nutritional process throughout the living world and the types of nutrients required to sustain life.
DIETING
Suddenly, radical changes to eating habits such as eating nothing but soup can lead to short term weight loss. However, such drastic changes are neither healthy nor a good idea, and won’t be successful in the long run.
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