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Choosing the right diet
According to the National Institute of Diabetes &
Digestive & Kidney Diseases (NIDDK), diet refers to what a persons
eats or drinks during the course of a day. There are many different types
of diets, like the Atkins diet, the Zone diet, the South Beach diet and
many more. It is important to remember that a diet that limits portions to
a very small size or that excludes certain foods entirely to promote
weight loss may not be effective over the long term. It is much easier to
maintain a diet that takes into account the foods that you like and
dislike and also include combinations of foods with enough calories and
nutrients for good health.
When planning your diet it is important that you
consider what calorie level is appropriate for you. Is the diet that you
and considering to take nutritionally balanced? Will this diet be pratical
and easy to follow? Will the diet be maintainable for the rest of your
life? The below information will show you what to look out for in a diet.
Calorie level
Low-calorie Diets. Most weight loss diets provide
1,000 to 1,500 calories per day. However, the number of calories that is
right for you depends on your weight and activity level. At these calorie
levels, diets are referred to as low-calorie diets. Self-help diet books
and clinical and non-clinical weight loss programs often include
low-calorie diet plans.
The calorie level of your diet should allow for a
weight loss of no more than 1 pound per week (after the first week or two
when weight loss may be more rapid because of initial water loss). If you
can estimate how many calories you eat in a day, you can design a diet
plan that will help you lose no more than 1 pound per week. You may need
to work with a trained health professional, such as a registered
dietitian. Or, you can use a standardized low-calorie diet plan with a
fixed calorie level.
The selected calorie level, however, may not produce the recommended
rate of weight loss, and you may need to eat more or less.
Good nutrition
Make sure that your diet contains all the essential
nutrients for good health. Using the Food Guide Pyramid and the Nutrition
Facts Label that is found on most processed food products can help you
choose a healthful diet. The Pyramid shows you the kinds and amounts of
food that you need each day for good health. The Nutrition Facts Label
will help you select foods that meet your daily nutritional needs. A
healthful diet should include:
- Adequate vitamins and minerals. Eating a wide
variety of foods from all the food groups on the Food Guide Pyramid
will help you get the vitamins and minerals you need. If you eat less
than 1,200 calories per day, you may benefit from taking a daily
vitamin and mineral supplement.
- Adequate protein. The average woman 25 years of
age and older should get 50 grams of protein each day, and the average
man 25 years of age and older should get 63 grams of protein each day.
Adequate protein is important because it prevents muscle tissue from
breaking down and repairs all body tissues such as skin and teeth. To
get adequate protein in your diet, make sure you eat 2-3 servings from
the Meat, Poultry, Fish, Dry Beans, Eggs, and Nuts Group on the Food
Guide Pyramid every day. These foods are all good sources of protein.
- Adequate carbohydrates. At least 100 grams of
carbohydrates per day are needed to prevent fatigue and dangerous
fluid imbalances. To make sure you get enough carbohydrates, eat 6-11
servings from the Bread, Cereal, Rice, and Pasta Group on the Food
Guide Pyramid every day.
- A daily fiber intake of 20 to 30 grams. Adequate
fiber helps with proper bowel function. If you were to eat 1 cup of
bran cereal, 1/2 cup of carrots, 1/2 cup of kidney beans, a
medium-sized pear, and a medium-sized apple together in 1 day, you
would get about 30 grams of fiber.
- No more than 30 percent of calories, on average,
from fat per day, with less than 10 percent of calories from saturated
fat (such as fat from meat, butter, and eggs). Limiting fat to these
levels reduces your risk for heart disease and may help you lose
weight. In addition, you should limit the amount of cholesterol in
your diet. Cholesterol is a fat-like substance found in animal
products such as meat and eggs. Your diet should include no more than
300 milligrams of cholesterol per day (one egg contains about 215
milligrams of cholesterol, and 3.5 ounces of cooked hamburger contain
100 milligrams of cholesterol).
- At least 8 to 10 glasses, 8 ounces each, of water
or water-based beverages, per day. You need more water if you exercise
a lot.
The different types of diets
Fixed-menu diet. A fixed-menu diet
provides a list of all the foods you will eat. The advantages of this kind
of diet is that it can be easy to follow because the foods are selected
for you. However the disadvanatge of this type of diet is that you get
very few different food choices which may make the diet boring and hard to
follow away from home. In addition, fixed-menu diets do not teach the food
selection skills necessary for keeping weight off. If you start with a
fixed-menu diet, you should switch eventually to a plan that helps you
learn to make meal choices on your own, such as an exchange-type diet.
Exchange-type diet. An exchange-type diet is a meal
plan with a set number of servings from each of several food groups.
Within each group, foods are about equal in calories and can be
interchanged as you wish. For example, the "starch" category
could include one slice of bread or 1/2 cup of oatmeal; each is about
equal in nutritional value and calories. If your meal plan calls for two
starch choices at breakfast, you could choose to eat two slices of bread,
or one slice of bread and 1/2 cup of oatmeal. With the exchange-type diet
plans, you have more day-to-day variety and you can easily follow the diet
away from home. The most important advantage is that exchange-type diet
plans teach the food selection skills you need to keep your weight off.
Prepackaged-meal diet. These diets require you to
buy prepackaged meals. Such meals may help you learn appropriate portion
sizes. The disadvantage to this is that they can be costly. Before
beginning this type of diet, find out whether you will need to buy the
meals and how much the meals cost. You should also find out whether the
program will teach you how to select and prepare food, skills that are
needed to sustain weight loss.
Formula diet. Formula diets are weight-loss plans that replace one
or more meals with a liquid formula. Most formula diets are balanced diets
containing a mix of protein, carbohydrate, and usually a small amount of
fat. Formula diets are usually sold as liquid or a powder to be mixed with
liquid. Although formula diets are easy to use and do promote short-term
weight loss, most people regain the weight as soon as they stop using the
formula. In addition, formula diets do not teach you how to make healthy
food choices, a necessary skill for keeping your weight off.
Questionable diets. You should avoid any diet that
suggests you eat a certain nutrient, food, or combination of foods to
promote easy weight loss. Some of these diets may work in the short term
because they are low in calories. However, they are often not well
balanced and may cause nutrient deficiencies. In addition, they do not
teach eating habits that are important for long-term weight management.
Flexible diets. Some programs or books suggest monitoring fat only,
calories only, or a combination of the two, with the individual making the
choice of both the type and amount of food eaten. This flexible type of
approach works well for many people, and teaches them how to control what
they eat. One drawback of flexible diets is that some don't consider the
total diet. For example, programs that monitor fat only often allow people
to take in unlimited amounts of excess calories from sugars, and therefore
don't lead to weight loss.
It is important to choose an eating plan that you can live with. The
plan should also teach you how to select and prepare healthy foods, as
well as how to maintain your new weight. Remember that many people tend to
regain lost weight. Eating a healthful and nutritious diet to maintain
your new weight, combined with regular physical activity, helps to prevent
weight regain.
Resource: The National Institute of Diabetes &
Digestive & Kidney Diseases
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