Mar 1, 2024 · The health risks caused by overweight and obesity are increasingly well documented and understood. In 2019, higher-than-optimal BMI caused an estimated 5 million deaths from noncommunicable diseases (NCDs) such as cardiovascular diseases, diabetes, cancers, neurological disorders, chronic respiratory diseases, and digestive disorders (1).

Prevalence of thinness among children and adolescents, BMI < -2 standard deviations below the median (crude estimate) (%)

Sep 30, 2024 · Overweight and obesity are defined as abnormal or excessive fat accumulation that presents a risk to health. A body mass index (BMI) over 25 is considered overweight, and over 30 is obese. In 2019, an estimated 5 million noncommunicable disease (NCD) deaths were caused by higher-than-optimal BMI.

The BMI categories for defining obesity vary by age and sex in infants, children and adolescents. For adults, obesity is defined by a BMI greater than or equal to 30 kg/m².

Moderate and severe thinness: A BMI < 17.0 indicates moderate and severe thinness in adult populations. It has been linked to clear-cut increases in illness in adults studied in three continents and is therefore a further reasonable value to choose as a cut-off point for moderate risk.

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The BMI categories for defining obesity vary by age and gender in infants, children and adolescents. For adults, obesity is defined by a BMI greater than or equal to 30.00 kg/m². There are three levels of severity in recognition of different management options. In infants, children and adolescents, BMI categories for defining obesity vary by age

May 5, 2023 · The World Health Organization and the National Institutes of Health recommend different BMI cutoffs for overweight and obesity in people of Asian descent. Changes are being recommended for BMI cutoffs for other ethnic groups as well.

BMI Categories. The World Health Organization (WHO) classifies BMI as follows: Underweight: BMI < 18.5 Normal weight: BMI 18.5 – 24.9 Overweight: BMI 25 – 29.9 Obesity Class I: BMI 30 – 34.9 Obesity Class II: BMI 35 – 39.9 Obesity Class III (Severe Obesity): BMI ≥ 40 While these categories serve as a guideline, healthcare providers should consider other factors, such as …

Obesity is a major risk factor for a range of diseases, including heart disease, stroke, diabetes, and various types of cancer. It is most commonly measured using the body mass index (BMI) scale. On this page, you will find global data and research on obesity — its prevalence, drivers, health consequences, and trends over time.