Ultraprocessed Foods and Cardiometabolic Health: A Growing Concern
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Ultraprocessed foods (UPFs) are a growing concern due to their widespread consumption and potential health risks. Most UPFs, notably those common in U.S.diets, are high in saturated fat, added sugars, and sodium (salt) – often abbreviated as HFSS – and contribute to excess calories. Examples include sugar-sweetened drinks, ultraprocessed meats, refined grains, candy, and commercial baked goods. However, a limited number of upfs, such as certain commercial whole grains, low-fat-low-sugar dairy, and some plant-based items, offer positive nutritional value and can be part of a healthy diet.This overlap creates confusion for both healthcare professionals and the public.A new Science Advisory from the American Heart Association,”Ultraprocessed Foods and Their Association with cardiometabolic Health: Evidence,Gaps and Opportunities,” summarizes current knowledge about upfs and their impact on cardiometabolic health,outlining opportunities for research,policy,and regulatory reform to improve dietary intake and overall health. The advisory was published August 8th in Circulation, the American Heart Association’s flagship journal.
“The relationship between UPFs and health is complex and multifaceted,” said Maya K. Vadiveloo, Ph.D., R.D., FAHA, volunteer chair of the writing group. “We certainly no that eating foods with too much saturated fat,added sugars and salt is unhealthy. What we don’t know is if certain ingredients or processing techniques make a food unhealthy above and beyond their poor nutritional composition. And if certain additives and processing steps used to make healthier food like commercial whole grain breads have any health impact.”
The rise in UPF consumption since the 1990s has disrupted conventional dietary patterns, perhaps contributing to adverse health effects. Currently, an estimated 70% of grocery store products in the U.S.contain at least one ultraprocessed ingredient. A recent CDC report revealed that 55% of calories consumed by people ages 1 and older in the U.S. come from UPFs, increasing to nearly 62% among youth ages 1-18 and 53% among adults ages 19 and older.The report also showed that families with lower incomes consume a higher percentage of UPFs daily (54.7% for the lowest income group vs. 50.4% for the highest).
UPFs are inexpensive, convenient, and aggressively marketed, particularly to youth and under-resourced communities, often displacing healthier alternatives. This shift has lowered the overall nutritional quality of typical U.S. eating patterns and is misaligned with American Heart Association dietary guidance.
The American Heart Association reinforces its current dietary guidelines:
Reduce the intake of most UPFs, especially those high in saturated fat, added sugars, and sodium, and those that contribute to excessive calories. Replace UPF consumption with healthier options like vegetables, fruits, whole grains, beans, nuts, seeds, and lean proteins.
American Heart Association Warns of Risks Posed by Ultra-Processed Foods
The American Heart Association (AHA) has released a new scientific advisory highlighting the growing concerns surrounding ultra-processed foods (UPFs) and their impact on cardiovascular health. The advisory emphasizes the need for more research to understand how these foods contribute to poor health outcomes, while urging individuals to limit their consumption and prioritize a diet rich in whole, unprocessed foods.
what are Ultra-Processed Foods?
Ultra-processed foods are industrial formulations made mostly from substances derived from foods and additives. They typically contain high levels of added sugars, salt, fat, and artificial ingredients.Examples include sugary drinks, packaged snacks, processed meats, and ready-to-eat meals. A recent report from the national Centre for Health Statistics found that UPFs comprise a significant portion of the American diet. [^1]
The Link Between UPFs and Cardiometabolic Risk
The AHA advisory points to a growing body of evidence linking high consumption of UPFs to an increased risk of several health problems,including:
Cardiovascular Disease: UPFs contribute to risk factors like high blood pressure,unhealthy cholesterol levels,and inflammation,all of which increase the likelihood of heart disease and stroke.
Obesity: The high calorie density and palatability of UPFs can lead to overconsumption and weight gain.
Type 2 Diabetes: UPFs frequently enough cause rapid spikes in blood sugar,contributing to insulin resistance and an increased risk of developing type 2 diabetes.
Other Health Concerns: Emerging research suggests links between UPF consumption and increased risks of certain cancers, mental health disorders, and overall mortality.
Why are UPFs Harmful? The Need for Further Research
While the association between UPF consumption and negative health outcomes is becoming clearer, the mechanisms driving this link are still not fully understood. The AHA advisory identifies several key areas for future research:
Investigate the specific components of UPFs: Researchers need to determine which ingredients or combinations of ingredients are most harmful. This includes a closer look at food additives, emulsifiers, and the impact of processing techniques.
Understand the impact on gut health: UPFs may disrupt the gut microbiome, potentially contributing to inflammation and metabolic dysfunction. Explore the effects on brain function: Some studies suggest that UPFs can affect brain regions involved in reward and appetite control, leading to addictive-like eating behaviors.
Address existing gaps in food additive science: The advisory calls for streamlined and efficient evaluation and regulation of food additives to ensure their safety.
Recommendations for a Healthier Diet
Simultaneously occurring, the AHA recommends limiting consumption of the most harmful upfs – those high in saturated fats, added sugars, sodium, and excessive calories. Instead, individuals are encouraged to focus on a dietary pattern rich in:
Vegetables and Fruits: Provide essential vitamins, minerals, and fiber.
Nuts and Seeds: Healthy fats, protein, and fiber. Whole Grains: Fiber and complex carbohydrates. Low-Fat Dairy: Calcium and protein.
Lean Proteins: Fish, seafood, and poultry.
“More research is needed to better understand the mechanisms of how UPFs impact health,” said Dr. Vadiveloo. “In the meantime, the Association continues to urge people to cut back on the most harmful UPFs…for better short- and long-term health.”
About the Science advisory
This advisory was prepared by a volunteer writing group representing several councils within the American Heart association,including the council on Lifestyle and Cardiometabolic Health,the Council on Cardiovascular and Stroke Nursing,and others. AHA scientific statements and advisories are designed to raise awareness about cardiovascular diseases and stroke and to inform healthcare decisions. It’s significant to note that these statements outline current knowledge and areas needing further research and do not constitute clinical practice guidelines. Official clinical practice recommendations are provided in separate AHA guidelines.
Co-authors of the advisory include: Christopher D. Gardner, Ph.D., FAHA; Sara N. Bleich, Ph.D.; Neha Khandpur, Sc.D.; Alice H.Lichtenstein, D.sc., FAHA; Jennifer J.Otten, Ph.D., R.D.; Casey M. Rebholz, Ph.D., M.S., M.P.H., FAHA; Chelsea R. Singleton,Ph.D., M.P.H.; Miriam B.