An effective diet for weight loss appeals to your tastes, schedule and weight-loss goals. A diet that works for one person is not always the best for someone else. As long as you follow the rules of weight loss, meaning that you take in fewer calories than you burn--you should lose weight.
Calories Matter
When Harvard researchers compared four different plans offering varied ratios of fats, carbohydrates and proteins, they found that any of the diets worked as long as they required participants to reduce calories. These results, published in the "New England Journal of Medicine" in February 2009 suggest that you should follow a low-calorie diet that appeals to your personal preferences to lose weight. Following the latest fad that bans entire food groups or forces you to avoid your favorite dish will likely lead to frustration and failure in the long run.
Strategy
To figure out your low-calorie diet plan, calculate your daily maintenance needs by using an online resource like the one at CaloriesperHour.com. One pound equals 3,500 calories, so subtract 500 calories from this number to estimate how many calories you can eat daily to lose 1 lb. per week. For faster weight loss, subtract more calories, however do not dip below 1,200 calories per day if you are female or below 1,500 if you are male, warns MedlinePlus. If you seek faster weight loss but cannot achieve it through diet alone, add in calorie-burning physical activity to up your daily burn rate.
Nutrition
As long as you do not exceed your calorie target, you will theoretically lose weight by eating poor quality junk food. Junk food, processed food and fast food tends to have more calories per serving than healthier foods, meaning you would have to severely restrict your portion sizes--leaving you feeling hungry and deprived much of the time. In addition, you would likely take in too much saturated fat, trans fat, sugars and refined grains, which can negatively affect your health. Without adequate protein you will have trouble maintaining lean muscle--which makes your body look toned and keeps your metabolism high. An effective diet for weight loss does not mean you have to prepare every meal from scratch--simply that you should be aware of the foods you take in and account for them in your calorie budget.
Expert Insight
The Harvard School of Public Health, Centers for Disease Control and Prevention and the American Heart Association, among other noted health institutions, support a balanced, portion-controlled diet for weight loss. Emphasizing whole, unprocessed foods like lean proteins, fresh fruits and vegetables, whole grains, low-fat dairy and unsaturated fats ensures you obtain adequate nutrition for energy and health. In addition, these foods tend to be lower in calorie density--so you can enjoy larger portions and prevent extreme hunger and uncontrollable cravings. A simple, effective way to incorporate a variety of foods is to fill half a standard sized dinner plate with watery green and orange vegetables and reserve one additional quarter for steamed, broiled or grilled lean meat, poultry or fish and the other quarter for a whole grain, like brown rice or quinoa. For snacks, eat a serving of low- or non-fat milk, cottage cheese or yogurt and some fresh fruit. Keeping portions under control helps prevent you from overshooting your calorie goals.
Considerations
Determine which foods you absolutely cannot live without and make sure you incorporate those, even in small amounts, in your diet calorie budget. An effective diet for weight loss also takes into account your time and schedule. If you do not have the time or patience to plan and prepare meals, you might need a plan that includes more convenience foods and teaches you how to best navigate restaurant menus. Whether you eat six small meals per day or three large ones really depends on your schedule and habits. Some people have great success with the grazing technique, while others find it hard to keep portions and calories in check when eating often. Finding out what works for you, rather than trying to mold to someone's prescription for you is the most effective way to diet.
References
- "New England Journal of Medicine"; Comparison of Weight-Loss Diets with Different Compositions of Fat, Protein, and Carbohydrates; Frank M. Sacks, M.D. et al; Feb. 2009
- MedLine Plus: Tips for Losing Weight
- Harvard School of Public Health: What Should You Eat?
- Centers for Disease Control and Prevention: Losing Weight
- American Heart Association: Quick-Weight Loss and Fad Diets



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