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Headline vs Study
Contrary or Null Findings
- Preprint: "There were no significant differences in change over time of total or self-reported PA between the groups" [in] Feasibility and Physical Health Outcomes of a 1-Year Sport-Based Physical Activity Intervention in Rural Middle School Children.
- Meta-Analysis of RCTs: "yacon use in adults does not lead to significant improvements in lipid profiles or glycemic parameters."
- Much Ado About Nothing: Tirzepatide and Medullary Thyroid Cancer Debunked.
- Mild Hyperbaric Oxygen Does Not Attenuate Mitochondrial Decrease Induced by Detraining in Mice.
- News: “We Were Somewhat Surprised by the Fact That Despite Differences in Receptor Activity and Potency, Dulaglutide, Semaglutide, and Tirzepatide Showed a Remarkably Similar Risk of Serious Gastrointestinal Events.”
- Meta-Analysis of RCTs: "In general, KDs [ketogenic diets] can reduce traditional liver enzyme levels (ALT, AST, ALP, and GGT), but they appear to have no significant effect on liver stiffness."
- Meta-Analysis of Mendelian Randomization Studies: "In MR [Mendelian Randomization] analyses, higher BMI, BFP, WC, and WHR were associated with a reduced risk of cognitive impairment, with WHR also inversely related to mild cognitive impairment."
Basic
Scientific Rigor & Scholarly Dialogue
Clinical
Children and Adolescents
Surgery
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Featured
Headline vs Study
Contrary or Null Findings
Basic
Scientific Rigor & Scholarly Dialogue
- PubPeer Comments On: Protective Effect of Vitamin D Supplementation on COVID-19-Related Intensive Care Hospitalization and Mortality: Definitive Evidence from Meta-Analysis and Trial Sequential Analysis.
- Retraction: Argano et al. Protective Effect of Vitamin D Supplementation on COVID-19-Related Intensive Care Hospitalization and Mortality: Definitive Evidence from Meta-Analysis and Trial Sequential Analysis. Pharmaceuticals 2023, 16, 130.
- Meta-Analysis of RCTs: "Acute exercise significantly improved executive function (moderate evidence, 9 studies, 330 participants, g = 0.33, small effect, 95% CI, 0.07-0.59, P = .01, I2 = 26.77%). However, this was only for high risk of bias/crossover studies."
- Retraction: Sesame Oil and Vitamin E Co-Administration May Improve Cardiometabolic Risk Factors in Patients with Metabolic Syndrome: A Randomized Clinical Trial.
Clinical
Children and Adolescents
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Headline vs Study
Contrary or Null Findings
- "In PWH [persons with HIV] receiving semaglutide for MASLD, despite decreased psoas muscle volume, there was no significant change in physical function, suggesting function was maintained despite significant loss of muscle."
- Time-Restricted Feeding Provides Limited Microglial Immunometabolic Improvements in Diet-Induced Obese Rats.
- Interleukin-6 Blockade Does Not Impair Exercise-Induced Glucose Uptake and Insulin Sensitivity in Rheumatoid Arthritis.
- RCT: Ingestion of 20g Whey or Canola Protein Does Not Further Increase Muscle Protein Synthesis Rates During Recovery from Resistance Exercise in Healthy, Young Females.
- The GMI/HbA1c Ratio Does Not Independently Predict Diabetic Retinopathy in Adults with Type 1 Diabetes.
- RCT: "This 14-day preoperative exercise and nutritional intervention program did not significantly reduce postoperative complications in frail older patients with gastrointestinal cancer..."
- RCT: "Improvements in fitness and diet composition were not associated with changes in BCAA concentrations independent of weight loss."
- Meta-Analysis of RCTs: "Post-exercise stretching, when used as a standalone recovery intervention, does not significantly improve soreness, strength, performance, flexibility, or pain threshold."
Basic
Scientific Rigor & Scholarly Dialogue
Clinical
Children and Adolescents
Surgery
Drugs
Food & Diet
Caloric and Dietary Restriction
Exercise & Physical Activity
Economics & Sociology
Epidemiology
Psychology & Neuroscience
Differential Population Circumstances, Exposures, Outcomes, and Effects
Stigma
Policy Related
Intergenerational Effects
Ecology, Evolution, & Energetics
Methods
Mathematical and Quantitative
Commentary
General
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Featured
Headline vs Study
Contrary or Null Findings
- RCT: No Significant Effect of a Multifaceted Digital Intervention for the Prevention of Type 2 Diabetes Mellitus in Primary Care (PREDIABETEXT) on Primary Endpoint of HBA1c.
- Preprint: "Contrary to the dominant paradigm and practice in the probiotic field, combining multiple probiotic strains did not necessarily increase efficacy. Simultaneous treatment with EcN and L. murinus V10 was less effective than EcN treatment alone at preventing death from sepsis."
- "Our findings demonstrate that, in accordance with human studies, ActRIIA/IIB blockade holds promise for increasing muscle mass, strength, and muscle insulin sensitivity. However, contrary to the improved glycemic control in humans, ActRIIA/IIB blockade in mice causes severe glucose intolerance and lowers voluntary physical activity."
- RCT: An Enhanced Implementation Support Approach Was Not Superior to Less Intensive Foundational Implementation Support for Promoting Delivery of a Group Physical Therapy Program for Knee Osteoarthritis.
- "Fmr1 KO mice with or without metformin treatment displayed hyperphagia on a HFD, yet did not show higher weight gain than wild type. And, surprisingly, their glucose tolerance was equivalent to that of wild type mice on metformin."
- "Surprisingly, [physically] active women reported more depressive symptoms...".
- RCT: "...even among highly motivated and digitally engaged participants, diet self-monitoring via the app alone did not lead to participants meeting the clinically recommended dietary fiber intake."
- "Contrary to our hypothesis, we observed a downward BMI trajectory back to baseline with the exception of those with residential instability in the post-COVID-19 pandemic period following a statistically significant weight gain during the pandemic."
Basic
Scientific Rigor & Scholarly Dialogue
Clinical
Children and Adolescents
Surgery
Drugs
Food & Diet
Caloric and Dietary Restriction
Exercise & Physical Activity
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Differential Population Circumstances, Exposures, Outcomes, and Effects
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