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Obesity and the environment aims to look at the different environmental factors that researchers worldwide have determined cause and perpetuate obesity. Obesity is a condition in which a person's weight is higher than what is considered healthy for their height, and is the leading cause of preventable death worldwide.
More than 40 percent of Americans classified as obese now say they experience stigma on a daily basis, a rate far higher than any other minority group. And this does terrible things to their bodies. According to a 2015 study, fat people who feel discriminated against have shorter life expectancies than fat people who don't. “These findings ...
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.
In the United States the number of children a person has had is related to their risk of obesity. A woman's risk of obesity increases by 7% per child, while a man's risk increases by 4% per child. [24] This could be partly explained by the fact that having dependent children decreases physical activity in Western parents. [25]
Set point theory does not on its own explain why body mass index for humans, measured as a proxy for fat, tends to change with increasing age or why obesity levels in a population vary depending on socioeconomic or environmental factors (or why weight tends to change for an individual when socioeconomic status and environment change). [4]
Obesity can increase the risk for a host of health issues including heart disease, sleep apnea, and type 2 diabetes. Obesity also causes chronic low-grade inflammation. This type of inflammation ...
Depending on the degree of obesity and the presence of comorbid disorders, obesity is associated with an estimated 2–20 year shorter life expectancy. [ 37 ] [ 36 ] High BMI is a marker of risk for, but not a direct cause of, diseases caused by diet and physical activity.
Climate impacts can affect exposure to water-borne pathogens through increased rates of runoff, frequent heavy rains, and the effects of severe storms. [49] Extreme weather events and storm surges can also exceed the capacity of water infrastructure , which can increase the likelihood that populations will be exposed to these contaminants.