If one weighs more than 20% of the ideal body weight prescribed for one's height then one can be potentially obese though there are several other determining factors. Each person is a unique individual and the ideal weight for each person is different taking in to consideration one's activity level, the climate and race among others.
Also a better indicator of whether one is obese or overweight is in relation to one's feeling of well being based on one's medical history and if a person has been overweight or underweight since childhood but has not had any health problems then one should not be overly perturbed regarding one' weight.
Some athletes for example could be considered as overweight if the general overweight and obesity rules are applied to them but their weight is more muscle based and hence is considered to be healthy. A lifestyle comprising of a balanced diet, moderate activity and relaxation techniques is one that contributes to overall good health which is reflected in one's weight.
Obesity must be considered a dysgenic factor. The obese are subject to heart disease, asthma, apoplexy, gallstones, gout, diabetes, constipation; they withstand pneumonia and acute infectious diseases poorly, and they are bad risks when they have to undergo major surgical operations. They also, as a rule, are readily fatigued by physical and mental work. (As to the latter, there are remarkable exceptions. Some very obese people can turn out a great amount of work, and are almost indefatigable in their constant activity.) Each case should be considered individually, and with reference to the respective family history. If the obese person comes from a healthy, long lived family and shows no circulatory disturbances, no strong objections can be raised to him or to her. But, as a general proposition, it must be laid down that obesity is a dysgenic factor.
Obesity is controversial as a risk factor.
The condition of being obese; increased body weight caused by excessive accumulation of fat.
Obesity Having a high amount of body fat. A person is considered obese if he or she has a body mass index (BMI) of 30 kg/m2 or greater.
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