This is from an article on MedicineNet.com, a great website to find answers to health problems. Read on, I hope it helps you solve your weight loss problems.
The most effective method for weight loss is reducing the number of calories you consume while increasing the number of calories you burn through physical activity. To lose 1 pound, you need an expenditure of approximately 3,500 calories. You can achieve this either by cutting back on your food intake, increasing physical activity, or ideally, by doing both.
For example, suppose you consume 500 extra calories per day for one week without changing your activity level. In that case, you will gain 1 pound in weight (seven days multiplied by 500 calories equals 3,500 calories or the number of calories resulting in a 1-pound weight gain). Likewise, if you eat 500 fewer calories each day or burn 500 calories per day through exercise for one week, you will lose 1 pound.
Examples of the calorie content of some popular foods and beverages include the following:
One slice of original-style crust pepperoni pizza – 230 calories
One glass of dry white wine – 160 calories
One can of cola – 150 calories
One quarter-pound hamburger with cheese – 500 calories
One jumbo banana nut muffin – 580 calories
Any activities you do throughout the day are added to your BMR (basal metabolic rate) to determine the total number of calories you burn each day. For example, a 170-pound person who spends 45 minutes walking briskly will burn about 300 calories. The exact time spent on housecleaning burns about 200 calories, and mowing the lawn for 45 minutes consumes around 275 calories.
How fast should you expect to lose weight?
Most experts agree that a safe, healthy rate of weight loss is one to 1 to 1½ pounds per week. Modification of eating habits along with regular exercise is the most effective way to lose weight over the long term. It is also the ideal way to ensure that the weight stays off.
Starvation diets may result in rapid weight loss, but this type of weight loss can be unsafe and is almost impossible to maintain for most people. When food intake is severely restricted (below approximately 1,200 calories per day), the body begins to adapt to this state of poor nutrition by reducing its metabolic rate, potentially making it even more difficult to lose weight. In plain English, if the body thinks you’re starving it will quit burning calories. Not completely stop, but slow down so much that you’re not going to lose any weight. It is also possible to experience hunger pangs, bouts of hypoglycemia, headaches, and mood changes from overly stringent dieting. These symptoms can result in binge eating and weight gain. Since a highly restrictive diet is almost impossible to maintain for a long time, people who attempt to starve themselves thin often start to gain weight again when they stop dieting and resume their former eating habits. So simply you have to continually eat just in small amounts. Your body has to know there’s another meal coming soon. This method also avoids cravings.
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