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How Genes Affect Weight
Do Genetics Determine Body Weight
Diet and Weight Loss Advice - Weight Reduction Guide

How Do Genes Affect Body Weight?

Body Mass Index BMI - BMI Weight Categories - Body Weight and Genes/Genetics
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Causes - Morbid Obesity - Body Weight: Bones, Water - What Is Overweight?
How to Estimate Weight (Men) - How to Estimate Weight (Women) - Healthy Weight Chart

Although experts are unsure as to how much our weight is influenced by our genes, several associations between weight and hereditary factors have been identified. For example:

Intra-abdominal fat (fat around abdomen) appears to have a genetic link in the majority of cases. As many as 25-40 percent of cases of obesity may be due to genetic influence.

Genes may affect the type of Basal Metabolic Rate we have. A lower-than-average BMR will lead to a tendency to gain weight.

Appetite can be affected by hereditary factors.

Genes can affect the amount of fat and muscle in our body. This fat-muscle ratio has a direct effect on our BMR and thus on our weight.

Thermogenesis - the amount of energy we need to metabolize food - may be affected by our genes. This, too, is likely to affect our weight.

Thyroid function, which is responsible for hypothyroidism and hyperthyroidism - both of which influence our weight, may be affected by genetic factors.

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This site provides general information about how to reduce weight and weight maintenance, featuring articles on a variety of weight-related topics like obesity and overweight, calorie reduction, exercise expenditure, healthy eating plans and dietary nutrition, as well as fat loss, healthy body fat and more. If you are concerned about your weight, for optimum health please talk to your doctor or health care provider before embarking on a new diet, fitness or weight reduction program. © 2005. All Rights Reserved.