Now days diet nutrition surveys must be held to get the actual picture of what persons of all the ages are eating so that we are able to put some strategies to overcome the problem overweight and obesity. These surveys are conducted by the Ministry of Agriculture, Food, Fisheries and the Department of Health; some new agenda must be raised for research which can conduct to improve the health of people. The main aim of Diet nutrition surveys is to provide comprehensively selective information in relation to the diet habits.
The ADA diet nutrition survey has suggested the consumers to pay emphasis on their weight control. The 63 percent of consumers consider their body weight is an indicator of there healthful diet. Many researchers have surveyed and have found many problems that the people are suffering from such as obesity, Coronary heart disease, Tobacco which are discussed below:-
1. Obesity - A conference was held in 1990 in Farmington which was organized by the NHNS Many people Participated and discussed the major health problem of obesity because there was a great increase in the adiposity due to nutritional imbalance. It was caused due to decreased physical work due to which the calories in the body were being increased at a higher rate .The main goal of a person should be excessive loss in weight and it can be achieved by adopting sensible policies in the school and good physical education.
2. Diabeties - It’s even a greater health problem. Almost 40% of people over the age of 45are suffering from these diseases and it would be 60% in the future and the people will be suffering from heart diseases, blindness and amputation . So the clinical care facilities must be improved to address the problem of diabetes among the various people.
3. Coronary heart disease- NHNS has depicted that there would be unfavorable increase in the cardiovascular disease due to the recent increases in heart disease mortality among the people are therefore likely to continue unless prevention efforts are increased and it will influence the problems hypertension .high cholesterol levels , obesity.
4. Tobacco. The use of tobacco products is increasing at tremendous rate in the young youths .in 1997it was 30% but in the future it would increase to 50% which will lead to heart diseases.

The survey results were published in two volumes in 2000. The first volume includes aspects from the diet and nutrition, which also includes information about the physical activity and physiological measurement, second volume includes the finding from oral health survey.

Many diet books and advices on the Internet are available and they may encourage the people as there is variety of food choices to become healthy. A loss in weight usually involves taking fewer calories products .Some of the past surveys done for diet nutrition suggests all the foods in the nature can fit into a person’s diet it all matters on the proportion of food that a person eats.