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Browse the failure-mode index

20,261 real negative results, null findings, and replication failures · Negative / Null Result Report. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result Report

Consolidating Climate Anxiety Scales Using Rasch Modelling

Gago T, Sargisson RJ, Milfont TL · 2025 · Preprint

Despite being an important mental health consequence of climate change, climate anxiety assessment has been fragmented. Reviews of measures of climate anxiety raise concerns about content and convergent validity. We aimed to select the…

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Negative / Null Result ReportMedicine

Predictors and Outcomes Associated with Clinically Significant Improvements in Anxiety and Depression Symptoms Following Cardiac Rehabilitation.

Hernández L, Williamson TM, Campbell T et al. · 2025 · The Canadian journal of cardiology

Background Cardiac rehabilitation (CR) participation improves depressive and anxious symptoms post-coronary catheterization, yet it is unclear to what extent improvements are clinically significant. This study characterized the proportion…

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Negative / Null Result ReportMedicine

Water deficit induced by polyethylene glycol leads to the depletion of phenolic compounds but did not alter lignification in roots of Scots pine (Pinus sylvestris).

Ivanov YV, Kartashov AV, Ivanova AI et al. · 2026 · Functional plant biology : FPB

Global climate change is accompanied by an increase in the frequency and severity of droughts, which negatively impact plant growth. One of the protective mechanisms that allows plants to withstand the negative drought effects is the…

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Negative / Null Result Report

Cereal grafting in rice and pearl millet preserves photosynthetic performance and stomatal dynamics, establishing a platform for root-shoot communication studies

Mbaluto CM, Martinez-Goni XS, Tripathi A et al. · 2026 · Preprint

Cereal grafting using embryonic tissues has recently become technically feasible; however, the physiological consequences of cereal grafting remain uncharacterized. We systematically evaluate photosynthetic performance and stomatal…

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Negative / Null Result ReportMedicine

Comparative effects of inactivation and dopamine receptor agents in the dorsolateral and dorsomedial striatum on performance of action sequences in rats.

Turner KM, Svegborn A, Robbins TW · 2026 · Psychopharmacology

Rationale Recent research on habits and skills has produced a wave of new theories regarding the shift in control from medial to lateral regions of the dorsal striatum, and how these regions are implicated in the selected and executed of…

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Negative / Null Result ReportMedicine

Reduced electroencephalogram power and no change in peak alpha frequency in individuals with chronic migraine: a cross-sectional investigation.

Wong R, Robertson R, Meylakh N et al. · 2026 · Neurophysiologie clinique = Clinical neurophysiology

Objectives Electroencephalographic (EEG) studies suggest chronic migraine (CM) is associated with increased global power, especially in somatosensory cortex. Furthermore, recent studies suggest chronic pain is associated with a reduced…

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Negative / Null Result ReportMedicine

The Effects of 31-Day Exogenous Ketone Consumption on Running Performance, Cognitive Function, Metabolism, Body Composition, Hemodynamics, and Mood in Recreational Runners: A Randomized-Control Trial.

Prins PJ, Buga A, Storoschuk K et al. · 2026 · Journal of the American Nutrition Association

Background Exogenous ketone supplementation acutely elevates circulating beta-hydroxybutyrate ( R -BHB), but the impact of chronic repeated dosing on exercise performance, cognition, mood, and cardiometabolic health remains unclear.…

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Negative / Null Result ReportMedicine

Characterizing non-hallucinogenic psychedelics beyond the head twitch response: phenotypic fingerprinting of lisuride and LSD.

King JL, Effinger DP, Basquez-Pfeifer C et al. · 2026 · Translational psychiatry

The head-twitch response (HTR) is widely used as a preclinical assay for the hallucinogenic potential of compounds, with its utility based on 5HT 2A R activation. Here, we examine how the polypharmacological agonists lisuride and lysergic…

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Negative / Null Result ReportMedicine

Single-dose intravenous α2-agonists do not acutely alter anti-inflammatory bioactive protein profiles but reduce interleukin-8 in equine autologous protein solution and platelet-rich plasma.

Brown KA, Max LNF, Struble SE et al. · 2026 · American journal of veterinary research

Objective Determine the acute effects of xylazine and detomidine on concentrations of selected growth factors, cytokines, and α2-macroglobulin (A2M) in platelet-rich plasma (PRP) and autologous protein solution (APS) and the long-term…

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Negative / Null Result ReportMedicine

Acute and post-acute neurobehavioral responses to lysergic acid diethylamide in healthy subjects: a randomized controlled study.

Calder AE, Diehl VJ, Lietz MP et al. · 2026 · Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology

Preclinical studies suggest that lysergic acid diethylamide (LSD) may induce lasting changes in brain function and learning ability, but evidence in humans is uncertain. Motor learning, in particular, has clinical relevance but has not…

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Negative / Null Result Report

Relationships between GPS-derived outdoor activity space ambient heat exposure, mental health, and salivary cortisol in a longitudinal, repeated measures sample of adult Detroiters

Pearson AL, Tomaszewska MA, Brown CD et al. · 2026 · Preprint

Abstract Exposure to heat in urban settings is a significant and growing public health concern. Yet, few studies have longitudinally measured everyday heat exposure using GPS-derived activity space data, paired with fine resolution…

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Negative / Null Result Report

Direct Virus-Bacteria Binding Enhances Streptococcus equi subsp. zooepidemicus Colonisation and Bacterial-Driven Immune Activation During H3N8 Equine Influenza A Virus Co-Infection

Alshammari AK, Maina M, Alsuwat MA et al. · 2026 · Preprint

Respiratory viral-bacterial co-infections cause severe disease across species, yet the molecular mechanisms underlying enhanced pathogenesis remain poorly understood. This study characterised H3N8 equine influenza A virus (IAV) and…

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Negative / Null Result ReportMedicine

Maternal rebaudioside A and acesulfame-K exposure reprograms offspring submandibular gland development in a sex-dependent manner.

Saiz-Gonzalo G, Drouin G, Rao Y et al. · 2026 · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association

Non-nutritive sweeteners (NNS) are increasingly consumed during pregnancy, yet their distinct metabolic fates obscure a unified mechanism for developmental programming. We tested whether maternal NNS exposure acts upstream of metabolism by…

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