What Is Overweight and Obesity?
Overweight is having extra body weight from muscle, bone, fat, and/or water. Obesity is having a high amount of extra body fat. Body mass index (BMI) is a useful measure of overweight and obesity. The information on this Web site will provide you with information about BMI (including limitations of this measure) and how to reach and stay at a healthy weight. Talk to your health care provider if you are concerned about your BMI.
What Factors Contribute To a Healthy Weight?
Many factors can contribute to a person’s weight. These factors include environment, family history and genetics, metabolism (the way your body changes food and oxygen into energy), and behavior or habits.
Energy Balance
Energy balance is important for maintaining a healthy weight. The amount of energy or calories you get from food and drinks (energy IN) is balanced with the energy your body uses for things like breathing, digesting, and being physically active (energy OUT):
The same amount of energy IN and energy OUT over time = weight stays the same (energy balance)
More energy IN than OUT over time = weight gain
More energy OUT than IN over time = weight loss
To maintain a healthy weight, your energy IN and OUT don’t have to balance exactly every day. It’s the balance over time that helps you maintain a healthy weight.
You can reach and maintain a healthy weight if you:
Follow a healthy diet, and if you are overweight or obese, reduce your daily intake by 500 calories for weight loss
Are physically active
Limit the time you spend being physically inactive.
Source : http://www.healthybody11.ga/2015/03/healthy-weight-important.html
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