Food and Nutrition
Balanced food means food that improves the health of the individual, and there are many experts nutrition and beauty believe that health and beauty are mainly based on nutrition that contains all the healthy nutrients, these elements are:
- water.
- Proteins.
- Fatty substances.
- Sugary substances.
- Mineral elements and sugars.
Thus, all these elements are needed by the body for the work and harmony of the organs. At the same time, it is not possible to find a single food containing all the nutrients.
Health Nutrition
Nutrition is a science in itself that explains the relationship of food activity and functions of the body, food is a fuel to the human body and must be foods eaten by the individual variety and integrated so as not to the human body to health problems, such as: cardiovascular disease, diabetes, bleeding Brain, bone porosity, and various types of cancers.
Importance of food and nutrition
water
Is one of the most important nutrients because humans can live for weeks without other elements but can not live without water for less than a week. The body needs water to meet all its needs, dissolving nutrients, carrying it to other fibers and chemical reactions to turn food into energy. It occurs only in the water solution, and the body needs to transport waste away and to cool the body, so the natural person needs 2.4 liters per day through natural drinks or water.
Carbohydrates
Contains all kinds of sugars and starches, and needs the body because it is the main source of energy, and there are three sources of energy:
- The main sugar in food is sucrose (normal white or brown sugar).
- Lactose in milk.
- Fructose is found in fruits and vegetables.
Fats
It is a high energy source and the meal should contain some unsaturated fatty acids, because the body can not make them by itself. These fatty acids are necessary to build the membranes that form the outer boundaries of each cell in the body. These acids are found in sunflower oil, , Fish, salmon, mackerel, olives, peanuts, butter and dairy products.
Proteins
Protein provides the body with energy and also builds muscles, skin and hair, because each cell contains proteins called enzymes that accelerate chemical reactions. Cells can not function without these enzymes.
Metal
It is necessary for the body to grow and maintain body structures and the installation of digestive juices and building bones and teeth. These minerals are sodium, potassium, calcium, magnesium, phosphorus, and iron. These minerals are found in:
- Calcium: Milk and its products.
- Phosphorus: Cereals and meat.
- Magnesium: Whole grains, legumes such as chickpeas, beans, and vegetables.
- The remaining ingredients are found in green vegetables, fruits, seafood, liver and kidneys.
Vitamins
It regulates chemical reactions when the body converts food into energy and there are thirteen types of vitamins important to the body and are found in
Liver, vegetables, green, yellow, milk and its products, meat, fish, walnuts, fruits, and also exposure to the sun provides the body with vitamin D.