what is the etiology of obesity?
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Obesity is the result of genetic, behavioral, environmental, physiological, social, and cultural factors that result in energy imbalance and promote excessive fat deposition.
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Overweight/obesity can cause E.D. by damaging the blood vessels, decreasing testosterone and causing a state of generalized inflammation in the body. Obesity can cause damage to blood vessels due to the associated hypertension, diabetes mellitus, hypercholesterolemia, hypertriglyceridemia and inflammation.
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Your weight and sugar Eating too much sugar can contribute to people having too many calories, which can lead to weight gain. Being overweight increases your risk of health problems such as heart disease, some cancers and type 2 diabetes.
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Aside from high blood pressure, obesity is linked to many other health issues such as high cholesterol, heart disease and stroke, all of which have links to high blood pressure. Diabetes is often linked to obesity and is also a contributor to the development of high blood pressure in elderly people [4].
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Certain populations tend to have higher rates of obesity. Overweight and obesity are often accompanied by other chronic health conditions such as diabetes, heart disease, hypertension, certain cancers, and arthritis. Rural populations with a higher risk of obesity include those who are: Age 60 and above.
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Obesity is related to genetic, psychological, physical, metabolic, neurological, and hormonal impairments. It is intimately linked to heart disease, sleep apnea, and certain cancers. Obesity is one of the few diseases that can negatively influence social and interpersonal relationships.
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Morbid obesity is a serious health condition that results from an abnormally high body mass index. A person with morbid obesity may have difficulty performing daily functions, such as walking and breathing, and is at increased risk for many serious health problems. In theory, anyone can become morbidly obese.
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Several epidemiologic studies have given strong evidence to the hypothesis that obesity is a risk factor for chronic venous insufficiency (CVI) and venous thromboembolism (VTE). 1, 2, 3 Obesity can significantly affect the development of metabolic syndrome with a cluster of cardiovascular risk factors.
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Lifestyle issues — too little activity and too many calories from food and drinks — are the main contributors to childhood obesity. But genetic and hormonal factors might play a role as well. For example, recent research has found that changes in digestive hormones can affect the signals that let you know you're full.
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New research, published in the journal Cell Metabolism, may have found the reason why chronic exposure to stress is so intimately linked with obesity. The answer lies in the relationship between fat cells and the timing of stress hormones.
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Very high blood levels of cholesterol and triglycerides (blood fats) can also lead to heart disease and often are linked to obesity. Being overweight also contributes to angina (chest pain caused by decreased oxygen to the heart) and sudden death from heart disease or stroke without any signs or symptoms.
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Eating too much sugar can contribute to people having too many calories, which can lead to weight gain. Being overweight increases your risk of health problems such as heart disease, some cancers and type 2 diabetes.
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When we eat and drink more calories than we use up, our bodies store the excess as body fat. If this continues, over time we may become overweight and can become obese. Being overweight or obese can increase the risk of type 2 diabetes, heart disease, stroke and some cancers.
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A rough measure for obesity is the body-mass-index (BMI). ... Yet, obesity is a disease with many causes. According to the World Health Organization (WHO) adiposity means a body-mass-index (BMI) over 30 kg/m².
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Rarely, obesity occurs in families according to a clear inheritance pattern caused by changes in a single gene. The most commonly implicated gene is MC4R, which encodes the melanocortin 4 receptor. Changes in MC4R that diminish its function are found in a small fraction (<5%) of obese people in various ethnic groups.
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Science shows that genetics plays a role in obesity. Genes can directly cause obesity in specific disorders such as Bardet-Biedl syndrome and Prader-Willi syndrome. However genes do not always predict future health. Genes and behavior may both be needed for a person to be overweight.
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“Common Obesity” Caused by Mutations in Multiple Genes Evidence from animal models, human linkage studies, twin studies, and association studies of large populations suggests that this variation in our susceptibility to obesity has a genetic component.