Eating fewer calories than you are burning will generally result in weight loss. However, if you eat fewer carbohydrates (bread, pasta) and more protein (meat, eggs, and cheese), you can often lose weight even on diets that have higher overall calorie numbers.
It depends on weight, height, bone structure and activities that he is involved in. If he is active, and maintaining a certain healthy weight, then nothing needs to be changed. If weight loss is wanted or needed then combining more activity with less calorie will result in weight loss. There are many factors to take in.
They are based on lowering your calorie intake, be it by lowering carbs, fats, calories in general, or eating foods that are lower in calories but keep you fuller longer. Reducing your calories can help result in weight loss.
They do not MAKE you lose weight. But substituting low-calorie meals for high-calorie ones can help you lose weight.
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A website that specializes on weight loss. Such as weightwatcher.com or any other kind of weight loss websites. Even recipes web sites will have specialty calorie diets.
freedieting.com has a selection of weight loss calculators including calorie calculators, weight gain and weight loss calculators along with a Body mass indicator calculator.
I once read about that, and it works for me!
Weight loss drugs are medications that may help an obese person lose weight in combination with a low-calorie diet and physical activity.
There are several websites which might be useful. Weight Watchers, Jenny Craig, etc. are weight loss organizations which might be able to provide a calorie calculator.
Lower your calorie intake and make exercise.
Im not exactly sure what you mean, but the forever standing equation of weight loss weight gain is : Calorie intake - Physical activity = weight loss or weight gain. The more calories you consume the more weight you will gain. one pound of fat equals 3500 calories. If your goal is to loose weight, you can figure out how many calories your body needs from a calorie counter website such as Livestrong.com where you can record your weight and daily exercise and it will give you the amount of calories needed to loose weight, gain weight and/ or sustain your current weight. 75-80 % of weight loss is calorie intake and 20-25% is exercise.
The most important part of weight loss is to manage your calorie budget. If carrots can do that for you they can make you lose weight. Otherwise they won't do a thing.