File Name: causes of overweight and obesity .zip
The World Health Organization estimates that levels of obesity worldwide have doubled since , and in more than 40 million children under the age of 5 were overweight or obese.
Obesity is a significant public health concern affecting more than half a billion people worldwide. Obesity rise is not only limited to developed countries, but to developing nations as well. This paper aims to compare the mean body mass index trends in the World Health Organisation- WHO- categorised regions since to and secondly to appraise how socioeconomic disparities can lead to differences in obesity and physical activity level across developing nations.
Childhood obesity has reached epidemic levels in developed as well as in developing countries. Overweight and obesity in childhood are known to have significant impact on both physical and psychological health. Overweight and obese children are likely to stay obese into adulthood and more likely to develop non-communicable diseases like diabetes and cardiovascular diseases at a younger age. The mechanism of obesity development is not fully understood and it is believed to be a disorder with multiple causes.
In adults, obesity is defined as having a BMI of Obesity is associated with a higher risk for serious diseases, such as type 2 diabetes, heart disease, and cancer. Obesity is common. The CDC estimates that The following classes are used for adults who are at least 20 years old:. For a doctor to diagnose a child over 2 years old or a teen with obesity, their BMI has to be in the 95th percentile for people of their same age and biological sex:.
From to , Eating more calories than you burn in daily activity and exercise — on a long-term basis — can lead to obesity. Over time, these extra calories add up and cause weight gain.
Common specific causes of obesity include:. Certain health conditions can also lead to weight gain, which may lead to obesity. These include:. Your environment at home, at school, and in your community can all influence how and what you eat, and how active you are.
Depression can sometimes lead to weight gain, as some people may turn to food for emotional comfort. Certain antidepressants can also increase the risk of weight gain. Quitting smoking is always a good thing, but quitting may lead to weight gain too. In some people, it may lead to excessive weight gain. Medications, such as steroids or birth control pills , can also raise your risk for weight gain.
Other more accurate measures of body fat and body fat distribution include:. Your doctor may also order certain tests to help diagnose obesity-related health risks. These may include:.
A measurement of the fat around your waist is also a good predictor of your risk for obesity-related diseases. Having a high ratio of body fat to muscle puts strain on your bones as well as your internal organs.
It also increases inflammation in the body, which is thought to be a risk factor for cancer. Obesity is also a major risk factor for type 2 diabetes. Obesity has been linked to a number of health complications , some of which can be life threatening if not treated:.
If you have obesity and been unable to lose weight on your own, medical help is available. Start with your primary care physician , who may be able to refer you to a weight specialist in your area. Your doctor may also want to work with you as part of a team helping you lose weight.
That team might include a dietitian , therapist , or other healthcare staff. Your doctor will work with you on making needed lifestyle changes. Sometimes, they may recommend medications or weight loss surgery as well. Learn more about treatment for obesity. Your healthcare team can educate you on food choices and help develop a healthy eating plan that works for you. A structured exercise program and increased daily activity — up to minutes a week — will help build up your strength, endurance , and metabolism.
Counseling or support groups may also identify unhealthy triggers and help you cope with any anxiety, depression, or emotional eating issues. Your doctor may also prescribe certain prescription weight loss medications in addition to eating and exercise plans.
Prescription weight loss medications either prevent the absorption of fat or suppress appetite. These drugs can have unpleasant side effects. For example, orlistat can lead to oily and frequent bowel movements, bowel urgency, and gas. This is due to an increased number of cancer cases in people who took Belviq compared to placebo.
Learn more about the withdrawal here and here. This type of surgery works by limiting how much food you can comfortably eat or by preventing your body from absorbing food and calories.
Sometimes it can do both. Afterward, people who undergo surgery will need to change how they eat and how much they eat, or they risk getting sick. For decades, experts recommended that adult candidates for weight loss surgery have a BMI of at least For individuals with class 1 obesity, surgery is most effective for those between the ages of 18 and 65 years old.
People will often have to lose some weight before undergoing surgery. Only a few surgical centers in the United States perform these types of procedures on children under 18 years old. This is the reason why communities, states, and the federal government are putting an emphasis on healthier food choices and activities to help turn the tide on obesity.
On a personal level, you can help prevent weight gain and obesity by making healthier lifestyle choices:. Obesity can affect nearly every system in your body, from your brain to your lungs and your liver.
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It involves a combination of lifestyle changes and sometimes, prescription medications or surgery. Find out which methods…. Obesity is a condition in which you have too much body fat for your height. Morbid obesity is when the excess body fat becomes a danger to your…. Even though poor diet and inactivity can lead to obesity, it's not always that simple. Here are 9 reasons why obesity is not just an individual choice.
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Medically reviewed by Alana Biggers, M. How is obesity classified? BMI Class What is childhood obesity? What causes obesity? Who is at risk for obesity? How is obesity diagnosed? What are the complications of obesity? How is obesity treated? Which lifestyle and behavioral changes can help with weight loss? Which medications are prescribed for weight loss?
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George A. Obesity is an epidemic disease that threatens to inundate health care resources by increasing the incidence of diabetes, heart disease, hypertension, and cancer. These effects of obesity result from two factors: the increased mass of adipose tissue and the increased secretion of pathogenetic products from enlarged fat cells. This concept of the pathogenesis of obesity as a disease allows an easy division of disadvantages of obesity into those produced by the mass of fat and those produced by the metabolic effects of fat cells. In the former category are the social disabilities resulting from the stigma associated with obesity, sleep apnea that results in part from increased parapharyngeal fat deposits, and osteoarthritis resulting from the wear and tear on joints from carrying an increased mass of fat. The second category includes the metabolic factors associated with distant effects of products released from enlarged fat cells. The insulin-resistant state that is so common in obesity probably reflects the effects of increased release of fatty acids from fat cells that are then stored in the liver or muscle.
Obesity is a complex health issue resulting from a combination of causes and individual factors such as behavior and genetics. Behaviors can include physical activity, inactivity, dietary patterns, medication use, and other exposures. Additional contributing factors include the food and physical activity environment, education and skills, and food marketing and promotion. Obesity is serious because it is associated with poorer mental health outcomes and reduced quality of life. Obesity is also associated with the leading causes of death in the United States and worldwide, including diabetes, heart disease, stroke, and some types of cancer. Healthy behaviors include regular physical activity and healthy eating. Balancing the number of calories consumed from foods and beverages with the number of calories the body uses for activity plays a role in preventing excess weight gain.
Overeating and lack of physical activity are the main causes of obesity, especially in combination. factors for conditions like overweight and obesity. systematically shown a heightened risk of morbidity, disability and mortality with obesity.
Error: This is required. Error: Not a valid value. Being obese or overweight means you are carrying too much weight and body fat.
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In adults, obesity is defined as having a BMI of