"...exposure to heavier body weights may influence what people see as a normal and healthy weight..."

Who's fat? Most of us can't recognize obesity

Even doctors aren't good at visually estimating weight, study finds

"The researchers also examined whether increased exposure to overweight and obese people affected a person's ability to estimate the weight of a person. Their findings suggested that exposure to heavier body weights may influence what people see as a normal and healthy weight and causes people to underestimate a person's weight."