By guest blogger, Leslie Vandever
You’re struggling with your weight. No matter how hard you try, you just can’t seem drop those extra pounds. Maybe it’s because you just can’t resist another slice of pizza or that cookie—or three. Maybe it’s because you really hate to exercise. Or maybe it’s a combination of both, along with high-fructose corn syrup in easy-to-eat and easy-to-prepare processed foods, fast foods, super-sized soft drinks, and an increasingly sedentary lifestyle.
Whatever’s causing your personal battle of the bulge, don’t feel alone. According to the Centers of Disease Control and Prevention, more than two-thirds of American adults are overweight—they have a body mass index (BMI) between 25.0 and 29.9—and a third are obese—BMI of 30 or higher. And roughly 17 percent of U.S. children from ages two to 17 are obese as well.
But Americans aren’t the only ones facing an obesity epidemic. It’s an increasing problem—one that can’t be explained by a poor diet and lack of exercise alone—all over the world, even in developing countries. And it’s not just human beings. Animals, like pets, urban rats, and lab animals are also getting heavier.
Being overweight or obese is a serious—even deadly—danger to your health. Carrying around that extra weight increases the risk of cardiovascular disease, type 2 diabetes, high blood pressure, some cancers, stroke, high cholesterol, liver disease, gallbladder disease, sleep apnea, osteoarthritis, and some gynecological problems. The risk becomes higher the heavier you get.
Being overweight or obese may also affect your self-esteem and self-confidence as well, keeping you from getting healthy exercise at the gym or the swimming pool because you hate how you look in work-out clothes or a bathing suit. And they can be a cause of serious anxiety, mood disorders, and depression.
But being overweight or obese may not be merely a willpower issue. There is increasing evidence that obesogens—dietary, pharmaceutical, and industrial chemicals that may alter metabolic processes and cause some people to gain weight more easily than others—may also be a factor. These chemicals disrupt the endocrine system’s normal development of fat cells and their proliferation, disrupt appetite controls in the brain, and create a life-long energy imbalance that may start in the womb.
Obesogens Are Everywhere
Some researchers have linked the marked rise in obesity in the U.S. over the last 40 years to the use of industrial chemicals, including pesticides. These obesogens, also known as endocrine disrupters, include:
- tributyltin (TBT) and triphenyltin (TPT), which preserve wood and act as antifungals in textiles and industrial water systems, among others
- bisphenol A (BPA), which is used in a wide variety of everyday plastics and canned food linings among other uses
- perfluoroalkyl compounds (PFCs), chemical surfactants used in non-stick and stain-resistance applications
- polybrominated diphenyl ethers (PBDEs), used as flame retardants in electronics, furnishings, building materials, and other applications
There are many others. Phthalates—plastic additives—for instance, are used in everything from enteric coatings on pills to gelling agents and lubricants.
Overweight and obesity are serious health problems. But as science learns more about obesogens and their possible role in the obesity epidemic, it may be that lack of willpower isn’t the only culprit after all.
Leslie Vandever is a professional journalist and freelance writer with more than 25 years of experience. She lives in the foothills of Northern California and writes for Healthline.
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- Defining Overweight and Obesity. (2012, April 27) Centers for Disease Control and Prevention. Retrieved on August 27, 2014 from http://www.cdc.gov/obesity/adult/defining.html
- Assessing Your Weight and Health Risk. (n.d.) National Institutes of Health. Retrieved on August 27, 2014 from http://www.nhlbi.nih.gov/health/educational/lose_wt/risk.htm
- What Causes Overweight and Obesity? (2012, April 12) Centers for Disease Control and Prevention. Retrieved on August 27, 2014 from http://www.cdc.gov/obesity/adult/causes/index.html
- Obesogens: An Environmental Link to Obesity. (2012, February) Environmental Health Perspectives. Retrieved on August 27, 2014 from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3279464/
- Marquez, E. The Rise of Obesogens: Chemical Exposures and the Obesity Epidemic. (n.d.) Physicians for Social Responsibility. Retrieved on August 27, 2014 from http://www.psr.org/environment-and-health/environmental-health-policy-institute/responses/the-rise-of-obesogens.html
- Environmental Obesogens Make Adults and Children Fat. (2012, February 29) Institute of Science in Society. Retrieved on August 27, 2014 from http://www.i-sis.org.uk/Environmental_Obesogens_make_children_and_adults_fat.php
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