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Like many other medical conditions, obesity is the result of an interplay between environmental and genetic factors. [2] [3] Studies have identified variants in several genes that may contribute to weight gain and body fat distribution; although, only in a few cases are genes the primary cause of obesity.
Being overweight or having obesity may increase the risk of several diseases, such as diabetes, heart disease, and some cancers, and may lead to short- and long-term health problems during pregnancy. [2] Rates of obesity worldwide tripled from 1975 to 2016 to involve some 1.8 billion people and 39% of the world adult population. [3]
Obesity has been observed throughout human history. Many early depictions of the human form in art and sculpture appear obese. [2] However, it was not until the 20th century that obesity became common — so much so that, in 1997, the World Health Organization (WHO) formally recognized obesity as a global epidemic [3] and estimated that the worldwide prevalence of obesity has nearly tripled ...
Obesity has become a common health problem. It affects about one in five children and two out of five adults in the U.S., according to the Centers for Disease Control and Prevention (CDC).
Diet, specifically the Western Pattern Diet, plays an important role in the genesis of obesity.Personal choices, food advertising, social customs and cultural influences, as well as food availability and pricing all play a role in determining what and how much an individual eats.
By 2014, figures from the National Institute of diabetes shows that 82% of Americans are overweight. [12] National Center for Health Statistics at the CDC showed that 42.4% of U.S. adults were obese as of 2017–2018 (43% for men and 41.9% for women). [13] For the following statistics, "adult" is defined as age 20 and over.
A new study has found that VO2 max is a better measure of cardiovascular health than body mass index (BMI). ... Researchers discovered that people who had overweight or obesity but were fit didn ...
Obesity dipped slightly in U.S. adults last year for the first time in more than a decade, a study found. The researchers suggested that might be due, in part, to the rise of weight loss drugs ...