There are a number of diets which are publicized in health magazines and health books which are recommended for those who are on a diet.
In this article we will discuss about those foods which should be avoided by those who are on a diet.
The following answers the question that How to Know What Foods to Avoid While on a Diet.
*    Today, the beverage and food business is very much responsible for the problem of obesity throughout the world.
So those who are on dieting should avoid the food listed below.
*   Processed Food: It consists of food which is treated industrially.
Chemicals and additives are contained in such food which disturbs the natural process of digestion.
Can food and supermarket food which can stay for more than a month on a shelf falls into this category.
*    All fast foods: Fast foods are the worst offenders for causing obesity.
They might taste great but they contain ingredients which are not required by the body.
These include trans-fats and excessive calories.
On an average there are more than 1,000 calories in a fast food.
Mostly people feel hungry again 2 hours after eating.
*    Deep fried food: It includes the potato chips also known as "French Fries".
It also includes fried meats like chicken and beef.
Some sweets like donuts fall into this category.
This type of food raises the insulin level in blood and does not in any help in losing weight.
*   Poly-saturated fat: It is not at all advised to eliminate all sort of fat.
But one should only eat the correct types of fat.
The right fats for the body are found in some vegetables, fish and a few dairy products.
Omega-3 oils are the best types of fats which should be consumed while one is one a diet.
*    White Flour: It is not at all good for health.
Whole grains and whole wheat can be consumed but white flour should be avoided as it unbalances the digestive system.
*    White Sugar: It does not have any nutritional value.
Natural sugars should be consumed instead.
*    Mayonnaise: It might be very tasty but it is a heavily processed product and contains some of the mist harmful and cheapest oils.
*   Caffeinated Drinks: It includes coffee, cola drinks, dark tea, chocolates and new energy drinks.
There are a number of great foods other than those mentioned above which are healthy as well as tasty.
  Those who wish to get the answer of How to Know What Foods to Avoid While on a Diet? One can greatly benefit from the above mentioned information.