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Contrary or Null Findings
- Reductions in Visceral Fat Were Uncorrelated with Cardiometabolic Changes Other Than Serum Lipids.
- Preprint: "…physical activity had null associations among lean participants … We did not find significant associations between high physical activity and overall survival among participants diagnosed with early-onset CRC or rectal cancer, with stable or increased BMI, or with 2-3 comorbidities."
- RCT: "Aligning resistance training with an individual's peak performance time did not provide evidence of superiority over trough conditions for skeletal muscle adaptations in older adults. These findings suggest that prescribing resistance training according to individualized diurnal performance timing is unlikely to provide clinically meaningful benefits over a range of training times."
- RCT: "The trial did not show a clinical benefit of faecal microbiota transplantation in patients with IBS. These findings suggest that microbiota modulation alone might be insufficient for symptom improvement in IBS."
- "Contrary to hypotheses, ES [environmental sensitivity] did not moderate the association between overall perceived social support and ED [eating disorder] symptoms."
- "Contrary to dogma, hepatic mTORC1 signaling was not elevated in response to diet-induced obesity, despite overt impairments in insulin and glucose homeostasis, and blocking hepatic AKT-TSC-mTORC1 signaling did not affect these metabolic phenotypes."
- "Contrary to hypothesis, longer step lengths did not increase eccentric phase knee and hip extensor activities, but made the returning concentric phase movements more difficult. Thus, a normal step length appears sufficient for [eccentric lunge walking]."
- "...structural coloration in plumage was related to high hue disparity and frugivory, but carotenoid-based coloration-contrary to expectations-was not associated with either. Our results support the hypothesis that the link between diet and plumage coloration arose not from a physiological constraint but from sensory (perceptual) biases of frugivores and nectarivores for detecting colorful baits in the forest, which resulted in preferences for chromatically diverse feather patterns."
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Headline vs Study
Contrary or Null Findings
Basic
Scientific Rigor & Scholarly Dialogue
Clinical
Children and Adolescents
Surgery
Drugs
Food & Diet
Caloric and Dietary Restriction
Exercise & Physical Activity
Economics & Sociology
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Headline vs Study
Contrary or Null Findings
- "Contrary to our expectations, Necturus exhibited both absolutely and relatively larger jaw muscles than Salamandra and produced higher bite forces, even when scaled to the same size."
- "Contrary to hypothesis, NH and CB produced different metabolic responses despite reducing peripheral oxygen saturation."
- "Contrary to the prevailing view that brain L-serine is exclusively derived from de novo synthesis, we demonstrate that dietary L-serine is required to maintain brain L-serine levels and prevents the formation of neurotoxic 1-deoxysphingolipids."
- "Contrary to the conventional view that mtDNA damage is solely detrimental, we find that NTHL1 loss confers a beneficial, mitochondria-initiated phenotype in human cells."
- "Intriguingly, contrary to earlier literature, we detected elevated α-SMA expression upon BBR [berberine] treatment despite the suppression of cell migration, proliferation and collagen production."
- "Contrary to our predictions, circulating PYY concentrations did not increase following feeding, did not significantly differ between food-restricted and ad libitum birds, and were unrelated to either feeding latency or food consumption. Collectively, these findings fail to support the hypothesis that PYY functions as a conserved short-term satiety signal in zebra finches."
- "Contrary to expectations, urbanicity did not moderate the association between income and outdoor play."
- No Effect of Acknowledging Resistance or Using Autonomy-Supportive Language in Vlogs on Sustainable [Non-Meat] Consumption Intentions of Emerging Adults.
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Headline vs Study
Contrary or Null Findings
- RCT: "A self-selected vegan diet reduces protein intake, skeletal muscle mass, and MPS [muscle protein synthesis] in older adults" in "A self-selected vegan diet reduces skeletal muscle mass in healthy older adults."
- "Medicare Advantage was not associated with lower hemoglobin A1c, systolic or diastolic blood pressure, low-density lipoprotein cholesterol, or lower risk of food, housing, and transportation needs."
- RCT: "Although lower Lp(a) levels were observed with pelacarsen, the findings did not demonstrate that this translated into reduced cardiovascular risk in the overall study population."
- "Serum vitamin A and E concentrations in neonatal intensive care infants did not consistently reflect intakes" in "Associations between intake of vitamins E and A and serum concentrations in preterm infants."
- European Trials Find Non-Nutritive Sweeteners Do Not Undermine Weight Loss.
- RCT: "Overall, probiotic supplementation of S. boulardii in PCOS women did not affect weight, BMI, or FBS..."
- RCT: "UPF restriction did not result in significantly higher post-intervention [Highly Processed Food Withdrawal Scale] scores compared with generic energy restriction in free-living individuals with obesity..."
- RCT: "Moderate protein restriction does not increase basal autophagy in circulating immune cells of healthy adults, suggesting protein reduction alone, without caloric deficit, may be insufficient to activate autophagy in human blood."
Basic
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Children and Adolescents
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Featured
Headline vs Study
Contrary or Null Findings
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
Ethics
Stigma
Policy Related
Intergenerational Effects
Ecology, Evolution, & Energetics
Methods
Commentary
General
Video & Audio
Announcements
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