Study Finds No Increased Risk Of Death Associated With Higher Intake Of Animal Protein

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Eating animal-sourced macromolecule foods is not linked to a higher consequence of decease and whitethorn moreover connection protective benefits against cancer-related mortality, caller investigation finds. 

The study, published in Applied Physiology, Nutrition, and Metabolism, analyzed information from astir 16,000 adults aged 19 and older utilizing nan National Health and Nutrition Examination Survey (NHAMES III).

Researchers examined really overmuch animal and works macromolecule group typically devour and whether those patterns were associated pinch their consequence of dying from bosom disease, crab aliases immoderate cause. 

They recovered nary accrued consequence of decease associated pinch higher intake of animal protein. In fact, nan information showed a humble but important simplification successful cancer-related mortality among those who ate much animal protein. 

"There's a batch of disorder astir macromolecule – really overmuch to eat, what benignant and what it intends for semipermanent health. This study adds clarity, which is important for anyone trying to make informed, evidence-based decisions astir what they eat," explains Stuart Phillips, Professor and Chair of nan Department of Kinesiology astatine McMaster University, who supervised nan research. 

To guarantee reliable results, nan squad employed precocious statistical methods, including nan National Cancer Institute (NCI) method and multivariate Markov Chain Monte Carlo (MCMC) modelling, to estimate semipermanent dietary intake and minimize measurement error. 

It was imperative that our study utilized nan astir rigorous, golden modular methods to measure accustomed intake and mortality risk. These methods allowed america to relationship for fluctuations successful regular macromolecule intake and supply a much meticulous image of semipermanent eating habits."

Stuart Phillips, Professor and Chair of nan Department of Kinesiology astatine McMaster University

The researchers recovered nary associations betwixt full protein, animal macromolecule aliases works macromolecule and consequence of decease from immoderate cause, cardiovascular disease, aliases cancer. When some works and animal macromolecule were included successful nan analysis, nan results remained consistent, suggesting that works macromolecule has a minimal effect connected crab mortality, while animal macromolecule whitethorn connection a mini protective effect.

Observational studies for illustration this 1 cannot beryllium origin and effect; however, they are valuable for identifying patterns and associations successful ample populations. Combined pinch decades of objective proceedings evidence, nan findings support nan inclusion of animal proteins arsenic portion of a patient dietary pattern.

"When some observational information for illustration this and objective investigation are considered, it's clear some animal and works macromolecule foods beforehand wellness and longevity," says lead interrogator Yanni Papanikolaou, MPH, president, Nutritional Strategies.

This investigation was funded by nan National Cattlemen's Beef Association (NCBA), a contractor to nan Beef Checkoff. NCBA was not progressive successful nan study design, information postulation and study aliases publication of nan findings. 

Source:

Journal reference:

Papanikolaou, Y., et al. (2025). Animal and Plant Protein Usual Intakes are Not Adversely Associated pinch All-Cause, Cardiovascular Disease- aliases Cancer-Related Mortality Risk: An NHANES III Analysis. Applied Physiology Nutrition and Metabolism. doi.org/10.1139/apnm-2023-0594.

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