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Using the body mass index as a measure of weight-related health, with data from 2014, age-standardised global prevalence of underweight in women and men were 9.7% and 8.8%, respectively. These values were lower than what was reported for 1975 as 14.6% and 13.8%, respectively, indicating a worldwide reduction in the extent of undernutrition. [6]
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]
An adult BMI of 18.5 kg/m 2, considered 'normal' by WHO criteria, is associated with a 30% increase in all-cause mortality. Figure 2: The association between body mass index (BMI) and relative risk of all-cause mortality (data from Aune et al., BMJ 2016; curve fitting by L. Stalpers, Amsterdam UMC, 2023).
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 December 2024. Relative weight based on mass and height Medical diagnostic method Body mass index (BMI) Chart showing body mass index (BMI) for a range of heights and weights in both metric and imperial. Colours indicate BMI categories defined by the World Health Organization ; underweight, normal ...
Prevalence of obesity in the adult population, top countries (2016), the United States has the tenth highest rate in the world. The CDC defines an adult (a person aged 20 years or greater) with a body mass index (BMI) of 30 or greater as obese and an adult with a BMI of 25.0 to 29.9 as overweight. [2]
A body mass index in the range considered overweight is not necessarily associated with a higher risk of death, a new study has found. ... Among younger adults, a BMI of 27.5 to 29.9 was also ...
The number of Canadians who are obese has risen dramatically in recent years. In 2004, direct measurements of height and weight found 23.1% of Canadians older than 18 had a BMI greater than 30. When broken down into degrees of obesity, 15.2% were class I (BMI 30–34.9), 5.1% were class II (BMI 35–39.9), and 2.7%, class III (BMI ≥ 40).
In 2014, more than 600 million adults were obese, equal to about 13 percent of the world's adult population, [218] with that figure growing to 16% by 2022, according to the World Health Organisation [219] The percentage of adults affected in the United States as of 2015–2016 is about 39.6% overall (37.9% of males and 41.1% of females). [220]