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Published research studies are articles that present the findings of original research that has undergone a peer-review process and has been made publicly available in scholarly journals, books or other media.
Long-Term Consumption of Nuts (Including Peanuts, Peanut Butter, Walnuts, and Other Nuts) in Relation to Risk of Frailty in Older Women: Evidence from a Cohort Study
2023 Mar The Journal of Nutrition Wang R, Hannan MT, Wang M, Schwartz AW, Lopez-Garcia E, Grodstein F
Cohort StudyRegular nut consumption, particularly peanuts and walnuts, is associated with a lower incidence of frailty in aging female populations.
Urinary Phenolic Metabolites Associated with Peanut Consumption May Have a Beneficial Impact on Vascular Health Biomarkers
2023 Mar 11 Antioxidants Parilli-Moser I, Domínguez-López I, Vallverdú-Queralt A, Hurtado-Barroso S, Lamuela-Raventós R
Consumers of SRP and PB exhibited significantly higher excretion of specific UPMs, including enterodiol glucuronide, 3-hydroxybenzoic acid, vanillic acid sulfate, p-coumaric acid, coumaric acid glucuronide I and II, and isoferulic acid, compared to the control group. The peanut interventions also led to an improvement in prostacyclin I2 (PGI2) levels and the thromboxane A2 (TXA2):PGI2 ratio. Higher post-intervention levels of UPMs were correlated with positive changes in vascular biomarkers, indicating a potential positive impact of peanut product consumption on vascular health.
Clinical Study Randomised Controlled Trial Cardiovascular Disease Peanut
Consumption of peanut products improves memory and stress response in healthy adults from the ARISTOTLE study: A 6-month randomized controlled trial
2021 Nov Clinical Nutrition Parilli-Moser I, Domínguez-López I, Trius-Soler M, Castellví M, Bosch B, Castro-Barquero S, et al.
Regular peanut and peanut butter consumption may enhance memory function and stress response in a healthy young population.
Randomised Controlled Trial Stress PeanutThe Association between Peanut and Peanut Butter Consumption and Cognitive Function among Community-Dwelling Older Adults
2021 Jan The Journal of Prevention of Alzheimer's Disease Katzman EW, Nielsen SJ
Individuals who consumed peanut and peanut butter (P/PB) were found to have better performance on cognitive function tests compared to those who did not consume P/PB.
Clinical Study Peanut ButterResearch Insights
Insights are moderated by the Research Hub team and offer an at-a-glance overview of interesting research findings.
Regular nut consumption, particularly peanuts and walnuts, is associated with a lower incidence of frailty in aging female populations.
2023 The Journal of Nutrition Long-Term Consumption of Nuts (Including Peanuts, Peanut Butter, Walnuts, and Other Nuts) in Relation to Risk of Frailty in Older Women: Evidence from a Cohort Study Wang R, Hannan MT, Wang M, Schwartz AW, Lopez-Garcia E, Grodstein F
Cohort Study
The methodology of the study includes a population-based observational study of nonfrail women aged 60 and above from 11 states across the US, from the Nurses' Health Study. The outcome focused on incidence of frailty, defined through the FRAIL components such as fatigue, lower strength, reduced aerobic capacity, multiple chronic conditions, and significant weight loss. These were assessed every four years from 1992 to 2016. Food Frequency Questionnaires were used to examine the intake of peanuts, peanut butter, walnuts, and other nuts every four years from 1990 to 2014. Total nut consumption was calculated and categorized into varying serving sizes, and the relation of intake of each type of nut with frailty was examined separately using Cox proportional hazard models, adjusted for various factors such as age, smoking, BMI, diet quality, and medication use.
In discussing the results, out of 71,704 participants, 14,195 frailty cases arose over a million person-years. Notably, regular consumption of nuts, particularly peanuts and walnuts, showed a significant inverse relation with frailty. That is, a higher intake of these types of nuts were associated with lower cases of frailty. However, the same didn't apply to peanut butter. This affirms the potential benefits of regular nut consumption in aging female population's health and well-being.
Clinical Trials
Clinical trials are research studies that involve people and are conducted to evaluate the safety and efficacy of new treatments or interventions, such as drugs, medical devices, or behavioural therapies.
Urinary Phenolic Metabolites Associated with Peanut Consumption May Have a Beneficial Impact on Vascular Health Biomarkers
2023 Mar 11 Antioxidants Parilli-Moser I, Domínguez-López I, Vallverdú-Queralt A, Hurtado-Barroso S, Lamuela-Raventós R
Consumers of SRP and PB exhibited significantly higher excretion of specific UPMs, including enterodiol glucuronide, 3-hydroxybenzoic acid, vanillic acid sulfate, p-coumaric acid, coumaric acid glucuronide I and II, and isoferulic acid, compared to the control group. The peanut interventions also led to an improvement in prostacyclin I2 (PGI2) levels and the thromboxane A2 (TXA2):PGI2 ratio. Higher post-intervention levels of UPMs were correlated with positive changes in vascular biomarkers, indicating a potential positive impact of peanut product consumption on vascular health.
Clinical Study Randomised Controlled Trial Cardiovascular Disease PeanutConsumption of peanut products improves memory and stress response in healthy adults from the ARISTOTLE study: A 6-month randomized controlled trial
2021 Nov Clinical Nutrition Parilli-Moser I, Domínguez-López I, Trius-Soler M, Castellví M, Bosch B, Castro-Barquero S, et al.
Regular peanut and peanut butter consumption may enhance memory function and stress response in a healthy young population.
Randomised Controlled Trial Stress PeanutPresentation Slides
Regular nut consumption, particularly peanuts and walnuts, is associated with a lower incidence of frailty in aging female populations.
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