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.
Xiang Y, Xu L, Sun Y et al. · 2025 · Medicine
Mobile phone use has become ubiquitous in modern life, raising public concern over its potential effects on male reproductive health. While several observational studies have reported associations between prolonged phone use and decreased…
View details →He J, Sabroso-Lasa S, Coscia C et al. · 2026 · Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology
Background Observational studies consistently report reduced pancreatic ductal adenocarcinoma (PDAC) risk among individuals with atopic conditions (asthma and rhinitis); however, the underlying biological mechanism remains unclear. This…
View details →Schleimer JP, Rencken CA, Wagenaar BH et al. · 2026 · JAMA network open
Importance Background checks aim to prevent illegal firearm transfers. Existing research has shown little evidence for the effect of point-of-sale comprehensive background check (CBC) policies on firearm-related violence at the state…
View details →Nielsen SP, Mathiesen L, Moller P · 2024 · Preprint
not-yet-known not-yet-known not-yet-known unknown Abstract This review examines the association between early life exposure to phthalates in human males and Leydig cell endocrine function. A systematic search was performed in PubMed and…
View details →Walda SAE, van Weerdenburg M, Bosman AMT · 2024 · Research in developmental disabilities
Background Poor decoding and spelling (literacy) skills have been associated with weak working memory. Aims The aim of this study was to elucidate the contribution of working memory to literacy progress in students with dyslexia. It has…
View details →Bertoldi AD, Flores TR, Silveira MPT et al. · 2026 · Ciencia & saude coletiva
This study aimed to investigate the association between the use of antimicrobials during pregnancy and excess weight in children at ages three, 12, 24 and 48 months. Data of participants from the 2015 Pelotas (Brazil) Birth Cohort study…
View details →Hiredesai AN, Martinez CJ, Hinckley NB et al. · 2026 · Cureus
Purpose Shear wave elastography (SWE) is a non-invasive technique for assessing median nerve (MN) stiffness in carpal tunnel syndrome (CTS). This study evaluated whether SWE measurements of the MN improve after corticosteroid injection…
View details →Pater WJ, Buller LT, Ziemba-Davis M et al. · 2026 · Arthroplasty today
Background Tourniquet use in revision total knee arthroplasty (rTKA) enhances visualization and improves cement penetration. However, concerns exist about muscle injury, pain, wound complications, and venous thromboembolism (VTE). This…
View details →Gao S, Gross AL, Aksman LM et al. · 2026 · Journal of Alzheimer's disease : JAD
BackgroundPlasma neurodegenerative biomarkers are a potential low-cost tool for studying Alzheimer's disease and dementia in population-based research, especially in low- and middle-income countries. However, their associations with…
View details →Atkinson A, Marschall J, Burnham JP · 2025 · Antimicrobial resistance and infection control
Background Air changes per hour (ACH) in operating rooms (ORs) are energy intensive, and optimal air change settings are not known. Objectives We sought to explore whether there is a relationship between surgical site infections (SSIs)…
View details →Perales-Puchalt J, Yang FM, Townley R · 2025 · Alzheimer disease and associated disorders
We tested the efficacy of docosahexaenoic acid (DHA) supplementation on aggressive behavior among people with dementia. We used secondary data from a randomized, double-blind, placebo-controlled trial. Analyses included 402 individuals…
View details →Sheng Y, Han Y, Xue Y · 2026 · Medicine
Beta-blockers are recommended for post-myocardial infarction (MI) care, but their long-term impact on all-cause mortality in real-world settings remains unclear. This study investigates the association using propensity score methods in a…
View details →Watkins K, Ladabaum U, Olsen E et al. · 2024 · iGIE : innovation, investigation and insights
Background and aims The progress of artificial intelligence (AI) in endoscopy is at a crossroads. The positive results of randomized controlled trials of computer-aided detection (CADe) have not been replicated in multiple pragmatic CADe…
View details →Kusztor A, Mulay N, Yamada M et al. · 2025 · Neuroscience of consciousness
During an acute episode of depersonalization/derealization (DP/DR), people report a complex and idiosyncratic change in their perceptual experience. Specifically, derealisation describes the experience of detachment from the external world…
View details →Raut U · 2023 · Preprint
The formation of mini black holes is now considered to be an inescapable consequence of TeV scale particle collision scenarios in extra-dimensional/ADD models. Furthermore, such mini black holes have been predicted to be produced at…
View details →Beaver JN, Nicodemus MM, Spalding IR et al. · 2025 · eNeuro
Mice offer a wealth of opportunities for investigating brain circuits regulating multiple behaviors, largely due to their genetic tractability. Social behaviors are translationally relevant, considering both mice and humans are highly…
View details →Kraft VM, Jones DR, Smyth JM et al. · 2026 · Emotion (Washington, D.C.)
Variability in daily emotional experiences may be important for both mental and physical health and may be influenced by individual differences such as age, gender, race, and ethnicity. Research on individual differences in affect…
View details →Coppeto DJ, Martin JS, Ringen EJ et al. · 2024 · Peptides
The neurohormones oxytocin (OT) and arginine vasopressin (AVP) are involved in social behaviors and psychiatric conditions. However, more research on nonhuman primates with complex social behaviors is needed. We studied two closely-related…
View details →Shapouri S, Rafiee Y · 2024 · Human nature (Hawthorne, N.Y.)
Considering the role of human interactions in infectious disease outbreaks and cooperation in mitigating natural disasters consequences, ecological threats to human survival have been among proposed drivers of collectivism. Utilizing…
View details →Singer JM, Wing JJ, Klein EG et al. · 2026 · Journal of public health policy
In the United States certain groups, such as African Americans (AA) and sexual minorities (SM) have disproportionately high rates of flavored tobacco use. Policies restricting flavored tobacco may especially benefit these groups and lead…
View details →Dragan KL · 2026 · Journal of policy analysis and management : [the journal of the Association for Public Policy Analysis and Management]
Low-income housing is often of substandard quality. Health care payers like Medicaid and Medicare are piloting reimbursement for housing quality improvement with the rationale of reducing expenses from acute care use, but little is known…
View details →Zevallos-Morales A, Romani-Huacani E, Psoter KJ et al. · 2025 · Frontiers in public health
Background Peru has one of the highest burdens of asthma in the world, as well as large gaps in access to evidence-based treatments. Studies often overlook the ways in which the research context and data collection activities interact and…
View details →Jónsdóttir LK, Forslund T, Frick MA et al. · 2024 · Developmental science
Previous research and theory indicate an importance of the quality of the early caregiving environment in the development of self-regulation. However, it is unclear how attachment security and maternal sensitivity, two related but distinct…
View details →Bhardwaj A, Musci RJ, Blackwell A et al. · 2025 · International health trends and perspectives
Objective Existing research points to how increasing male engagement in public health interventions without addressing gender inequities can perpetuate power imbalances in a relationship which may lead to increased stress and anxiety for…
View details →He Y, Huang B, Chen J et al. · 2025 · European journal of medical research
Background Anemia is associated with worse stroke outcomes, but prior studies seldom focus on patients with spontaneous supratentorial intracerebral hemorrhage (ICH) treated in township-level primary hospitals. Methods We performed a…
View details →Li R, Briers T, McDonald S · 2023 · Preprint
Understanding the cross-cultural differences in emotion perception has captured the interest of researchers for decades. While various mechanisms have emerged to explain such differences, the general inclination to differentiate emotions,…
View details →Schauer G, Grassi PR, Gharabaghi A et al. · 2023 · Preprint
The role of the parietal cortex in perceptual awareness and in resolving perceptual ambiguity is unsettled. Early influential TMS studies have revealed differences in conscious perception following parietal stimulation, fuelling the notion…
View details →Lee AJ, Jones BC, Zietsch BP et al. · 2023 · Scientific reports
Although many researchers have proposed that women will show stronger preferences for male facial masculinity when conception probability is high, empirical tests of this hypothesis have produced mixed results. One possible explanation for…
View details →Kardouh MS, Van Wagoner C, Coleman J et al. · 2026 · Cureus
Objectives Whiplash injuries are among the most common cervical spine injuries in the pediatric population. Limited literature demonstrates a potential link between cervical spine trauma and demyelinating disease, such as multiple…
View details →Liu J, Long Y, Yang Z · 2026 · Nutrients
Background Growing evidence suggests that vitamin D plays a role in the pathophysiology of childhood asthma. However, its effectiveness in reducing asthma exacerbations and improving asthma-related outcomes remains controversial. Methods…
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