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Death rate from obesity, 2019. Obesity is a risk factor for many chronic physical and mental illnesses.. The health effects of being overweight but not obese are controversial, with some studies showing that the mortality rate for individuals who are classified as overweight (BMI 25.0 to 29.9) may actually be lower than for those with an ideal weight (BMI 18.5 to 24.9). [1]
Both overweight and obesity are major risk factors for cardiovascular diseases, specifically heart disease and stroke, and diabetes. The International Diabetes Federation reports that as of 2011 [needs update], 366 million people have diabetes; this number is projected to increase to over half a billion (estimated 552 million) by 2030.
Obesity in Canada varies by ethnicity; people of Aboriginal origin have a significantly higher rate of obesity (37.6%) than the national average. [36] In children obesity has substantially increased between 1989 and 2004 with rates in boys increasing from 2% to 10% and rates among girls increasing from 2% to 9%. [37]
Metabolic syndrome is associated with the risk of developing cardiovascular disease and type 2 diabetes. [1] In the U.S., about 25% of the adult population has metabolic syndrome, a proportion increasing with age, particularly among racial and ethnic minorities. [2] [3]
Children who are obese are likely to be obese as adults. Thus, they are more at risk for adult health problems such as heart disease, type 2 diabetes, stroke, several types of cancer, and osteoarthritis. A large population based study showed that adolescents who were overweight or obese had a 2.2 times increased risk of sudden death and a 3.5 ...
Cardiovascular disease (CVD) is any disease involving the heart or blood vessels. [3] CVDs constitute a class of diseases that includes: coronary artery diseases (e.g. angina, heart attack), heart failure, hypertensive heart disease, rheumatic heart disease, cardiomyopathy, arrhythmia, congenital heart disease, valvular heart disease, carditis, aortic aneurysms, peripheral artery disease ...
Childhood obesity in the United States, has been a serious problem among children and adolescents, and can cause serious health problems among our youth. According to the CDC, as of 2015–2016, in the United States, 18.5% of children and adolescents have obesity, which affects approximately 13.7 million children and adolescents.
The obesity paradox is also relevant in discussion of weight loss as a preventative health measure – weight-cycling (a repeated pattern of losing and then regaining weight) is more common in obese people, and has health effects commonly assumed to be caused by obesity, such as hypertension, insulin resistance, and cardiovascular diseases.