What does this research mean for the field?

Source-specific protein intakes (animal and plant) and circulating IGF-1 concentrations are not associated with increased all-cause, cardiovascular, or cancer-related mortality risk, though animal protein intake may be mildly protective against cancer mortality. Novelty: ClaimNovelty.CONTRADICTORY. Consensus alignment: ConsensusAlignment.CHALLENGES_CONSENSUS.

What question did this study set out to answer?

This research investigates the relationship between animal and plant protein intake, IGF-1 levels, and mortality risk from various causes.

July 20, 2026Applied Physiology Nutrition and MetabolismOpen Access

Animal and plant protein usual intakes are not adversely associated with all-cause, cardiovascular disease–, or cancer-related mortality risk: an NHANES III analysis

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Authors

YPYanni Papanikolaou SPStuart M. Phillips VFVictor L. Fulgoni

Discussion

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Key expert perspectives

Captured external expert commentary on this paper, strongest first. Original sources linked on every quote.

AJACC Journal Scan

“From a cardiovascular perspective, adequate protein intake supports preservation of lean body mass, exercise adaptations, and functional capacity, all of which are independently associated with cardiometabolic risk, physical resilience, and long-term cardiovascular outcomes.”

ACC Journal Scan

Overview

Randomized trial examines protein intake effects on mortality in adults, suggesting no adverse associations.

Key Points

This research investigates the relationship between animal and plant protein intake, IGF-1 levels, and mortality risk from various causes.
Analyzed NHANES data from 1988–1994 with 15,937 adults and 3,843 mortality events until 2006.
Estimated usual protein intakes using the multivariate Markov Chain Monte Carlo method.
Applied hazard ratio models for all-cause, cancer, and cardiovascular disease mortality to assess protein intake effects.
Animal protein intake showed no significant association with all-cause mortality (HR = 0.99; P = 0.29).
Plant protein intake likewise displayed no significant relation to all-cause mortality (HR = 1.02; P = 0.55).
Animal protein may offer slight protection against cancer mortality (HR = 0.95; P = 0.04), while plant protein showed no significant impact.

Cite This Study

Papanikolaou et al. (2025) studied this question.

synapsesocial.com/papers/6a5e911b914239cb899c1e1c https://doi.org/10.1139/apnm-2023-0594

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July 20, 2026Applied Physiology Nutrition and MetabolismOpen Access

Animal and plant protein usual intakes are not adversely associated with all-cause, cardiovascular disease–, or cancer-related mortality risk: an NHANES III analysis

View Full Paper

Ask AI

Bookmark

Authors

YPYanni Papanikolaou SPStuart M. Phillips VFVictor L. Fulgoni

Discussion

Member takes

Key expert perspectives

Captured external expert commentary on this paper, strongest first. Original sources linked on every quote.

AJACC Journal Scan

“From a cardiovascular perspective, adequate protein intake supports preservation of lean body mass, exercise adaptations, and functional capacity, all of which are independently associated with cardiometabolic risk, physical resilience, and long-term cardiovascular outcomes.”

ACC Journal Scan

Overview

Randomized trial examines protein intake effects on mortality in adults, suggesting no adverse associations.

Key Points

This research investigates the relationship between animal and plant protein intake, IGF-1 levels, and mortality risk from various causes.
Analyzed NHANES data from 1988–1994 with 15,937 adults and 3,843 mortality events until 2006.
Estimated usual protein intakes using the multivariate Markov Chain Monte Carlo method.
Applied hazard ratio models for all-cause, cancer, and cardiovascular disease mortality to assess protein intake effects.
Animal protein intake showed no significant association with all-cause mortality (HR = 0.99; P = 0.29).
Plant protein intake likewise displayed no significant relation to all-cause mortality (HR = 1.02; P = 0.55).
Animal protein may offer slight protection against cancer mortality (HR = 0.95; P = 0.04), while plant protein showed no significant impact.

Cite This Study

Papanikolaou et al. (2025) studied this question.

synapsesocial.com/papers/6a5e911b914239cb899c1e1c https://doi.org/10.1139/apnm-2023-0594

View Full Paper

Ask AI

Bookmark