Types of diet and their nutritional impact on health

In nutrition, the term diet is the sum of food consumed by a person by prescribed selection. With the word diet, it is often implied the use of specific intake of nutrition for health or weight management reason without giving due consideration to its role to be free from nutrients or chronic deficiencies. A healthy diet is one that helps in maintaining and improving optimal health. This usually involves nutrients by eating the appropriate amount from all food groups including the adequate amount of water. Diet is important for the prevention of many chronic health risks such as Obesity, Diabetics, Chronic Heart Disease and Hypertension. Nutrition of healthy diet can be obtained from many different foods, so there are a wide variety of diets that may be considered as healthy diets. A healthy diet need to have a balance of macro nutrients/energy (fat, proteins and carbohydrates) and micro nutrients to meet the needs of human nutrition without inducing toxicity from excessive amount. The selection of diet from variety of food mainly depends on dietary habits (habitual decision an individual makes on choosing what food to eat). As eating out in hotels and restaurants has become not only a fashion but also compulsive need in today's scenario and work culture, bringing awareness about the healthy diet and to educate the individuals to make appropriate and concrete food choice from different types of diet available are the need and duties of the nutritionists. As both play a significant role in maintaining health and in prevention of many chronic health risks.