Weight Gain and the Energy Equation
Calorie Equation Determines Gain or Loss of Weight
Diet & Weight Reduction - Help to Lose Weight - My Attitude to Weight Loss - Success Stories
What is a Healthy Weight? - How to Reduce a Fat Stomach? - Unexplained Weight Loss
Does Diet and Exercise Work? - What's the Best Way to Lose Weight? - Count Calories or Carbs?
How Fast Can You Lose Weight? - What is Your Ideal Weight? - What's the Best Weight Loss Goals?
Two Easy Ways to Lose Weight - Easy Way to Reduce Weight - Why Does Weight Loss Stop?
Lose Your Last 10 Pounds - How to Lose Weight After Pregnancy - Breastfeeding & Weight Control
Hypothyroidism and Weight Gain - What Causes Weight Gain? - Mid-Life Weight Gain After 50
Weight Loss and Depression - Best Weight Loss Support Group - Brilliant Motivation Tips!
Best Exercise to Burn Calories - Weight Loss For Teens - Help For Overweight Children - Surgery

What Causes Weight Gain?

Weight gain or weight loss is determined by the "calorie equation." If you burn as many calories as you take in each day, there's nothing left over for storage in fat cells and your weight remains constant. But if your calorie-intake exceeds your calorie-expenditure, the extra calories are stored somewhere on your body and you gain weight. For a more detailed explanation of how surplus calories (from fats, protein and carbs) are stored as body fat, please see: Body Fat/Adipose Tissue - Why We Gain Fat

To calculate how many calories you should eat to maintain your weight,
click: Daily Calorie Needs

Calorie Intake

Your calorie-intake is simply the total calorie-content of the food (or drink) you consume. The composition of your diet seems to play little role in weight - a calorie is a calorie, regardless of whether it is from fat, carbs or protein.

Calorie Expenditure

Although you might think that physical exercise accounts for most of the calories you burn, it actually accounts for only about one third. In general, your calorie expenditure depends on three things:

(1) Your Basal Metabolic Rate. This accounts for about 60 percent of all calorie expenditure. Basal (or resting) metabolic rate is the amount of energy or calories your body consumes while at rest, in order to power the thousands of chemical reactions required to maintain health - such as, temperature, cell-repair, cardiovascular system and so on. Put simply, basal metabolic rate is an estimate of how many calories you would burn if you were to lie asleep for 24 hours, with measurement beginning 12 hours after your last meal to ensure that your digestive system was inactive and not burning calories digesting food.

(2) Your Physical Activity. Typically this accounts for about 30 percent of calorie expenditure.

(3) Dietary Thermogenesis. This is the calories you burn while digesting food. It accounts for about 10 percent of the total calories you burn.

See also What Influences Weight Gain?

More Information About Weight Management
Weight Loss and Your Star Signs - How to Look Thinner Without Dieting
What Are The Health Dangers of Obesity? - How is Obesity Treated?
What Influences Weight Gain? - Healthy Eating Guide - GI Diet Information
Healthy Cholesterol Levels - How to Lower Your Blood Cholesterol Level
Diets For Women's Health - Diet For Optimum Weight

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