Want to live longer? Say ‘No’ to red meat and overly processed foods

Compared to previous literature analyzing the health effects of animal-based and ultra-processed foods, this study included one of the largest cohorts, with more than 77,000 participants. . It is also considered a variety of diets, including vegetarian and non-vegetarian.

The results thus provide new insights into ultra-processed foods as a common denominator of mortality in vegetarians and non-vegetarians, said Gary Fraser, MBChB, PhD, one author Researcher and professor at Loma Linda University and School of Medicine. Community health.

“Our study addresses the question of what might make a vegetarian diet healthy or unhealthy,” says Fraser. “It seems like the proportion of ultra-processed foods in a person’s diet is actually more important in terms of mortality than the percentage of animal-based foods they eat, excluding red meat.”

Fraser says the study shows how it’s possible to be “a bad vegetarian or not a good vegetarian” because it isolates the health effects of processed foods in the diet – whether it’s vegetarian or not. The results revealed that

Vegetarians who eat a lot of processed foods in their diets face the same increase in mortality as non-vegetarians.

people who already eat a lot of processed foods in their diets.

The study, “Ultra-processed and animal-derived food intake and mortality in the Adventist health study-2,” was published in the journal Nature. American Journal of Clinical Nutrition, assessed the risk of death for two independent dietary factors:

  • the ratio of servings that include ultra-processed foods to less-processed foods; Examples of ultra-processed foods include soft drinks, similar meats, and candy.

  • ratio of the diet from foods of animal origin (meat, eggs and dairy) to foods of plant origin.

Impact of highly processed foods and red meat on health

Seven LLU researchers collected data from a prospective North American observational cohort study, recruited from Seventh-day Adventist churches, including 77,437 male and female participants. Participants completed a frequency food questionnaire that included more than 200 foods to describe their diets. They also provide other demographic and health information about themselves, including gender, race, geographic area, education, marital status, tobacco and alcohol use rates, exercise , sleep, BMI, and comorbid conditions for cardiovascular disease or diabetes.

The researchers then analyzed the participants’ demographic and health information combined with their mortality data, provided by the National Mortality Index, over a median time frame of about seven five and a half. Next, the researchers used a statistical model to help them consider each variable independent of the others and provide a cause-specific mortality analysis.

They adjusted their statistical model to focus on highly processed food intake regardless of other factors such as animal food consumption or age. In doing so, Fraser and co-authors found that those who got half of their total calories from ultra-processed foods faced a 14% increase in mortality compared with those who got only 12.5%. total calories from ultra-processed foods.

The study authors reported that

High consumption of ultra-processed foods is associated with mortality related to respiratory, neurological and renal conditions.

– especially Alzheimer’s disease, Parkinson’s disease and chronic obstructive pulmonary disease (even when restricted to never-smokers). However, high consumption of processed foods was not associated with mortality from cardiovascular disease, cancer, or endocrine conditions.

The results did not show an association between mortality and dietary intake of total animal foods. However, when the researchers broke down foods of animal origin into subcategories, they found a statistically significant 8% increased risk of death associated with moderate red meat consumption (approximately 8%). 1 ½ oz per day) compared with no red meat.

Overall, Fraser says the study demonstrated how high consumption of ultra-processed foods is associated with higher all-cause mortality, even in an Adventist population. health conscious with many vegetarians. Such findings on ultra-processed food consumption and mortality provide a “useful confirmation of what people expect,” he said.

This study calls for further studies on the specific health effects of ultra-processed food consumption in humans. While research efforts continue to delve deeper into the effects of highly processed foods on our health, Fraser recommends avoiding high levels of them.

“If you’re interested in living longer or reaching your maximum potential, you should avoid a diet high in ultra-processed foods and replace them with less-processed foods,” says Fraser. processed or unprocessed. “Also, avoid eating a lot of red meat. It’s as simple as that.”

Source: Eurekalert

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