The word 'health' refers to a state of complete emotional and physical well-being. Healthcare exists to help people maintain this optimal state of health. As defined by the World Health Organization (WHO), 'health is a state of complete physical, mental, and social well-being, and not merely the absence of disease or infirmity'. Health is a dynamic condition resulting from a body's constant adjustment and adaptation in response to stresses and changes in the environment for maintaining an inner equilibrium called homeostasis.
The chemical constituents of food which give us energy, help to build our body and protect us from diseases are called nutrients.
Carbohydrates are energy giving component of the food. We can obtain carbohydrates in the form of sugar, starch and dietary fibers.
Fat provides more energy than Carbohydrates. Some important sources of fats are butter, ghee, milk, cheese, paneer, nuts, meat, fish, egg yolk etc. Apart from giving energy, they insulate our body and protect the cells.
Proteins are necessary for our growth as well as for regulating various body functions such as digestion. The sources of proteins are pulses, eggs, fish, milk, chicken, nut, grams etc. Proteins are body building foods.
Vitamins are required for carrying out various biochemical reactions in our body. Fruits, vegetables, grains and meat products are good sources of vitamins. They are called as protective food. There are six major vitamins like A, B, C, D, E and K. vitamin B and vitamin C are water-soluble. Vitamins A, D, E and K are fat-soluble.
Minerals used for the growth as well as for the regulation of normal body function. Green leafy vegetables like spinach, pulses, eggs, milk, fish and fruits are important sources of minerals. Minerals are also a protective food.
Our body needs an adequate supply of water in order to maintain good health. Any human being should take minimum eight tumbler(2 Liters) of water every day.
Health is a state of complete physical, mental and social well-being and not merely absence of diseases. Eating a healthy diet keeps you physically and mentally fit. When you are physically healthy, you feel confident, you are more outgoing and have a greater capacity for enjoying life. Unhealthy food choices lead to obesity and illness, preventing you from socializing with friends and family. So choose your diet carefully.
A diet should contain adequate amount of all the necessary nutrients required for healthy growth and activity.
A balanced diet contains sufficient amount of various nutrients to ensure good health. Balanced diet is important for the following reasons. It increases the capacity to work. It gives good physical and mental health. It increases the capacity to resist diseases. It helps in proper growth of the body.
Malnutrition occurs when all the nutrients that the body needs are not obtained in the proper proportions from the diet. The word malnutrition refers to the condition that results when a person does not take a balanced diet. Malnutrition leads to deficiency diseases. The deficiency diseases that are caused due to lack of nutrients in the diet.
Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health and wellness.
Proper amount of rest is essential for physical and mental health. Rest is as important as nutrition and physical activity for growth and development and good health.
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