No, being overweight or obese is not rare; it's increasingly common globally, with over a billion people living with obesity and rates rising significantly over the past few decades due to environmental and lifestyle factors like diets high in processed foods, though rare genetic forms of severe obesity do exist. In many Western countries, a large portion of adults are considered overweight or obese, making it a widespread health concern, not an unusual condition.
Nearly 1 in 3 adults (30.7%) are overweight. More than 1 in 3 men (34.1%) and more than 1 in 4 women (27.5%) are overweight. More than 2 in 5 adults (42.4%) have obesity (including severe obesity). About 1 in 11 adults (9.2%) have severe obesity.
Everyone has some amount of visceral fat. Genetics contribute to how much you have and where it is in your body. That's part of what determines your body's shape. But environmental factors and your choices also influence how much visceral fat you have.
Twin studies have estimated the heritability of obesity to be between 40% and 70%.
BF percentage is the mass of the fat divided by the total mass of the body. If you had 100% it would mean you're not human. You'd just be a pure lump of fat.
Andreas Munzer, an Austrian bodybuilder was thought to have the lowest body fat percentage ever. His autopsy reported a body fat percentage of zero. It's speculated that he died from multiple organ failure.
For men, 20% body fat is generally considered in the "acceptable" or "average" range, bordering on "fitness" or slightly overweight, with some extra fat but no clear muscle definition, while for women, 20% is in the "fitness" or "good" category, showing some definition but not overly lean. The term "chubby" is subjective, but at 20% body fat, most people won't look extremely lean, though it's healthy for men and good for women, falling within typical ranges before obesity becomes a concern, say 8fit and InBody USA.
Using data from UnitedHealth Group and the Health Action Council, the rate of obesity among Gen Z females was estimated to be nine percent. In comparison, around five percent of Gen Z males were thought to be obese.
For example, if someone is 5'8” and weighs 200 lbs The BMI reading would be 30.4 which would put the person in the obese category.
There is evidence for particular obesity existence in artefacts and pictures from caves, originated in ancient times. Human female figurines from Stone Age that represent obesity were discovered in different countries indicating that some form of obesity existed 30.000 years ago.
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Body Shapes with the Highest Risk of Health Problems
Apple and pear body shapes tend to have the highest risk. Apples tend to be at greater risk for heart disease, diabetes, and strokes because they hold a larger amount of tummy fat.
West Virginia topped WalletHub's 2025 ranking of the most overweight and obese states in the U.S., published Nov. 4, while Colorado is the healthiest-weight state.
"Carrying excess weight doesn't necessarily mean someone is unhealthy, but it does increase the risk of developing serious health issues like type 2 diabetes, heart disease, and certain cancers," says Murphy, who sees patients at Rush Centers for Weight Loss and Bariatric Surgery in Aurora and northwest Indiana.
The traditional diet in Japan is built around a base of rice and other grains, with plentiful consumption of vegetables and fruits, and also fish, but relatively little animal fat, meat and sweets. In Japan, the presentation of the food is very important, and particular attention is given to the colors and textures.
A clear definition of morbid obesity is very important because this definition is used to guide doctors in the selection of treatment options for people who are overweight. Individuals are usually considered morbidly obese if their weight is more than 80 to 100 pounds above their ideal body weight.
Ozempic is typically recommended for individuals who have a BMI of 30 or higher, which falls into the obese category, or for those with a BMI of 27 or higher who have additional health concerns such as high blood pressure, type 2 diabetes, or high cholesterol.
Today's teens and young adults have a reputation for embracing physical activity, talking openly about mental health and scrolling through social media feeds filled with content from “wellness” gurus. Those habits have led some to dub Generation Z—those born between 1997 and 2012—the “healthiest generation.”
So, Is Gen Z Aging Faster? The good news for Gen Z is that most indications of aging faster are based on lifestyle choices that can be chanted to slow the process — and Gen Z has time to reverse some negative health trends. Hold off on the Botox, fillers and retinol use until you're older.
The prevalence of obesity was 75.2% among adults in the U.S. when new criteria proposed by The Lancet Diabetes & Endocrinology Commission was used to diagnose the disease, researchers reported in a JAMA Network Open research letter.
Sleep deprivation has long been linked to an increased risk of becoming overweight or obese. Researchers found that getting less than seven hours of sleep resulted in weight changes and may lead to weight gain, either by increasing food intake or decreasing energy burned.
Athletic/Fit: Individuals in this category typically engage in regular, intense physical activity. Male athletes commonly maintain 6-13% body fat, while female athletes range from 14-20%. This level provides optimal performance balance while maintaining essential physiological functions.
Can you see abs at 20% body fat? For most men, abdominal muscles are not clearly visible at 20% body fat, though individuals with exceptionally developed abdominal muscles or favorable fat distribution might show slight upper abdominal definition.