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This JAMA Internal Medicine Patient Page describes how glucagon-like peptide-1 (GLP-1) receptor agonists work and what behaviors to adopt while using them.

Author/s:

Farhad Mehrtash, Jody Dushay, JoAnn E. Manson

Association Between Plant and Animal Protein Intake and Overall and Cause-Specific Mortality

Brian Desmarais — Wed, 22 Jul 2020 16:00:16 +0000

Date Added:

July 22, 2020

Journal/Publication:

JAMA Intern Medicine

Publisher:

JAMA Network

Publication Date:

July 13, 2020

URL:

Association Between Plant and Animal Protein Intake and Overall and Cause-Specific Mortality

Type:

Clinical Research Results

Format:

Article

DOI (1):

10.1001/jamainternmed.2020.2790.

MeSH

Plant Proteins, Dietary

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cardiovascular diseases

Analysis of a huge cohort of adults found that eating more plant protein (vs. animal protein) reduces cardiovascular mortality and increases life expectancy. James W. Mold, MD, MPH

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Importance: Although emphasis has recently been placed on the importance of high-protein diets to overall health, a comprehensive analysis of long-term cause-specific mortality in association with the intake of plant protein and animal protein has not been reported.

Objective: To examine the associations between overall mortality and cause-specific mortality and plant protein intake.

Design, setting, and participants: This prospective cohort study analyzed data from 416 104 men and women in the US National Institutes of Health-AARP Diet and Health Study from 1995 to 2011. Data were analyzed from October 2018 through April 2020.

Exposures: Validated baseline food frequency questionnaire dietary information, including intake of plant protein and animal protein.

Main outcomes and measures: Hazard ratios and 16-year absolute risk differences for overall mortality and cause-specific mortality.

Results: The final analytic cohort included 237 036 men (57%) and 179 068 women. Their overall median (SD) ages were 62.2 (5.4) years for men and 62.0 (5.4) years for women. Based on 6 009 748 person-years of observation, 77 614 deaths (18.7%; 49 297 men and 28 317 women) were analyzed. Adjusting for several important clinical and other risk factors, greater dietary plant protein intake was associated with reduced overall mortality in both sexes (hazard ratio per 1 SD was 0.95 [95% CI, 0.94-0.97] for men and 0.95 [95% CI, 0.93-0.96] for women; adjusted absolute risk difference per 1 SD was -0.36% [95% CI, -0.48% to -0.25%] for men and -0.33% [95% CI, -0.48% to -0.21%] for women; hazard ratio per 10 g/1000 kcal was 0.88 [95% CI, 0.84-0.91] for men and 0.86 [95% CI, 0.82-0.90] for women; adjusted absolute risk difference per 10 g/1000 kcal was -0.95% [95% CI, -1.3% to -0.68%] for men and -0.86% [95% CI, -1.3% to -0.55%] for women; all P < .001). The association between plant protein intake and overall mortality was similar across the subgroups of smoking status, diabetes, fruit consumption, vitamin supplement use, and self-reported health status. Replacement of 3% energy from animal protein with plant protein was inversely associated with overall mortality (risk decreased 10% in both men and women) and cardiovascular disease mortality (11% lower risk in men and 12% lower risk in women). In particular, the lower overall mortality was attributable primarily to substitution of plant protein for egg protein (24% lower risk in men and 21% lower risk in women) and red meat protein (13% lower risk in men and 15% lower risk in women).

Conclusions and relevance: In this large prospective cohort, higher plant protein intake was associated with small reductions in risk of overall and cardiovascular disease mortality. Our findings provide evidence that dietary modification in choice of protein sources may influence health and longevity.

Conflict of interest statement

Conflict of Interest Disclosures: None reported.

Author/s:

Huang, J., Liao, L.M., Weinstein, S.J., Sinha, R., Graubard, B.I., Albanes, D.

Antioxidants: In Depth

Jeffrey Wilson — Sun, 24 Feb 2019 20:01:46 +0000

Date Added:

February 24, 2019

Publication Date:

May 4, 2016

URL:

Antioxidants: In Depth

Type:

Meta-analyses, Reviews, and Guidelines

Format:

Web Page

Keywords

MeSH

A review of the evidence related to the use of anti-oxidant supplements from the NIH.

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Antioxidants are man-made or natural substances that may prevent or delay some types of cell damage. Diets high in vegetables and fruits, which are good sources of antioxidants, have been found to be healthy; however, research has not shown antioxidant supplements to be beneficial in preventing diseases. Examples of antioxidants include vitamins C and E, selenium, and carotenoids, such as beta-carotene, lycopene, lutein, and zeaxanthin. This fact sheet provides basic information about antioxidants, summarizes what the science says about antioxidants and health, and suggests sources for additional information.

Author/s:

National Institutes of Health, Chun, Ock, Frei, Balz, Gardner, Christopher, Alekel, D. Lee, Killen, John Jr.