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Diet Soda Increases Belly Fat in Seniors

  • Synopsis: Published: 2015-03-17 - Study seeks to fill age gap by exploring adverse health effects of diet soda intake in individuals 65 years of age and older. For further information pertaining to this article contact: Wiley at Dawn Peters - sciencenewsroom@wiley.com.
Diet Soda

Diet sodas (alternatively marketed as sugar-free or zero-calorie) are typically sugar-free, artificially sweetened versions of carbonated beverages. They are generally marketed toward health-conscious people, diabetics, athletes, and other people who want to lose weight, improve physical fitness, or reduce their sugar intake.

Main Document

Quote: "Our study seeks to fill the age gap by exploring the adverse health effects of diet soda intake in individuals 65 years of age and older."

A new study published in the Journal of the American Geriatrics Society shows that increasing diet soda intake is directly linked to greater abdominal obesity in adults 65 years of age and older. Findings raise concerns about the safety of chronic diet soda consumption, which may increase belly fat and contribute to greater risk of metabolic syndrome and cardiovascular diseases.

Metabolic syndrome, a combination of risk factors that may lead to high blood pressure, diabetes, heart disease, and stroke, is one of the results of the obesity epidemic.

In fact, the World Health Organization (WHO) estimates that 1.9 billion adults were overweight (body mass index [BMI] of 25 or more) in 2014. Of this group, 600 million people fell into the obese range (BMI of 30 or more) - a figure that has more than doubled since 1980.

In an effort to combat obesity, many adults try to reduce sugar intake by turning to non-nutritive or artificial sweeteners, such as aspartame, saccharin, or sucralose.

Previous research shows that in the past 30 years, artificial sweeteners and diet soda intake have increased, yet the prevalence of obesity has also seen a dramatic increase in the same time period.

Many of the studies exploring diet soda consumption and cardiometabolic diseases have focused on middle-aged and younger adults.

"Our study seeks to fill the age gap by exploring the adverse health effects of diet soda intake in individuals 65 years of age and older," explains lead author Sharon Fowler, MPH, from the University of Texas Health Science Center at San Antonio. "The burden of metabolic syndrome and cardiovascular disease, along with healthcare costs, is great in the ever-increasing senior population."

The San Antonio Longitudinal Study of Aging (SALSA) enrolled 749 Mexican - and European-Americans who were aged 65 and older at the start of the study (1992-96).

Diet soda intake, waist circumference, height, and weight were measured at study onset, and at three follow-ups in 2000-01, 2001-03, and 2003-04, for a total of 9.4 follow-up years.

At the first follow-up there were 474 (79.1%) surviving participants; there were 413 (73.4%) at the second follow-up and 375 (71.0%) at the third follow-up.

Findings indicate that the increase in waist circumference among diet soda drinkers, per follow-up interval, was almost triple that among non-users: 2.11 cm versus 0.77 cm, respectively.

After adjustment for multiple potential con-founders, interval waist circumference increases were 0.77 cm for non-users, 1.76 cm for occasional users, and 3.04 cm for daily users.

This translates to waist circumference increases of 0.80 inches for non-users, 1.83 inches for occasional users, and 3.16 inches for daily users over the total 9.4-year SALSA follow-up period.

"The SALSA study shows that increasing diet soda intake was associated with escalating abdominal obesity, which may increase cardiometabolic risk in older adults," Fowler concludes.

The authors recommend that older individuals who drink diet soda daily, particularly those at high cardiometabolic risk, should try to curb their consumption of artificially sweetened drinks.

"Diet Soda Intake Is Associated with Long-Term Increases in Waist Circumference in a Biethnic Cohort of Older Adults: The San Antonio Longitudinal Study of Aging." Sharon P.G. Fowler, Ken Williams and Helen P. Hazuda.Journal of the American Geriatrics Society; Published Online: March 17, 2015 (DOI: 10.1111/jgs.13376).

Learn More About American Geriatrics Society

Founded in 1942, the American Geriatrics Society (AGS) is a nationwide, not-for-profit society of geriatrics healthcare professionals dedicated to improving the health, independence, and quality of life of older people. Its more than 6,200 members include geriatricians, geriatric nurses, social workers, family practitioners, physician assistants, consulting pharmacists, and internists. The Society provides leadership to healthcare professionals, policymakers, and the public by implementing and advocating for programs in patient care, research, professional and public education, and public policy. For more information, visit americangeriatrics.or

Facts: Interesting Diet Soda

  • By the early 1990s, a wide array of companies had their own diet refreshments on supermarket shelves.
  • In an independent study by researchers with the Framingham Heart Study in Massachusetts, soda consumption correlated with increased incidence of metabolic syndrome.
  • Initially launched in Argentina in 2013, Coca-Cola Life is made with a mix of stevia and sugar as its sweeteners.
  • Many consumers are concerned about possible health effects of sugar substitutes and caffeine overuse.
  • Aspartame, commonly known by the brand name NutraSweet, is one of the most commonly used artificial sweeteners.
  • National Center for Health Statistics study showed about one-fifth of the U.S. population ages 2 years and over consumed diet drinks on a given day in 2009 - 2010, and 11% consumed 16 fluid oz. of diet drinks or more.


Related Information:

  1. Body Fat Percentage Calculator for Men and Women - Ian Langtree - (2009-07-28)
    https://www.disabled-world.com/calculators-charts/body-fat-calculator.php
  2. Study Links Large Waist Size to Higher Diabetes Rates Among Americans - RAND Corporation - (2010-10-07)
    https://www.disabled-world.com/health/diabetes/waist-size-diabetes.php
  3. Foods That Cause Gas and Bloated Feeling - Burping and Flatulence - David Atkins - (2010-10-01)
    https://www.disabled-world.com/health/digestive/gas.php


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