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.
Zhu X, Zhang X, Xiang J et al. · 2026 · Steroids
Objective To integrate observational and bidirectional Mendelian randomization (MR) analyses to assess the bidirectional causal pathways between total testosterone levels and sleep traits (sleep duration and insufficient sleep) in males…
View details →Santos S, Palma-Moreira A, Dias I · 2025 · Preprint
This study aimed to examine the effect of public policies on talent retention in the Portuguese Public Administration and whether the participants' managerial status moderates this relationship. A total of 282 individuals, active workers…
View details →Satuluru S, Brower D, Mehta V et al. · 2026 · The American journal of the medical sciences
Background Sleep apnea (SA), a common diagnosis, has been shown to exhibit increased prevalence in patients with end-stage renal disease (ESRD). There is no clear consensus on the impact of SA on renal transplant outcomes. Methods We…
View details →Lin Z, Chen Y, Feng J et al. · 2026 · Acta psychologica
Objective To examine whether peer victimization and social support sequentially mediate the relationship between motor competence and internalizing problems in a sample of school-aged children from urban Zhejiang, China. Methods A…
View details →Abdallah N, Baylan M, Kursun K et al. · 2026 · Journal of thermal biology
This study investigated the effect of prewarming (PD) and thermal manipulation (TM) of long-stored eggs on embryonic development, hatching traits, body weight (BW), rectal temperature (RT), carcass, and organ traits in broilers at 3 days…
View details →Jump IP, Hsu HS, Roberts MD et al. · 2026 · Journal of strength and conditioning research
Abstract Jump, IP, Hsu, H-S, Roberts, MD, and Oliver, GD. The effect of habitual caffeine use on strength, power, and muscular endurance performance in collegiate athletes. J Strength Cond Res XX(X): 000-000, 2026-Caffeine has been shown…
View details →Erdur TL, Erdur A, Acunaş BA · 2026 · BMC pediatrics
Background Preterm birth is the leading cause of neonatal mortality and morbidity worldwide. Very preterm neonates born between 23 + 0 and 31 + 6 weeks of gestational age are at particularly high risk due to complications requiring…
View details →Szulim D, Kucharska E, Machalińska A et al. · 2026 · Nutrients
Background/Objectives : Age-related macular degeneration (AMD) is a leading cause of permanent deterioration of central vision in elderly people. While anti-VEGF therapy remains the standard of care for neovascular AMD, disease progression…
View details →Osorio-Vasco J, Rojas-Mora J, Barrera-Causil C et al. · 2026 · Work (Reading, Mass.)
BackgroundStanding work is common across a wide range of industries and service sectors and has been associated with the development of low back pain.ObjectiveTo analyze changes in low back pain across eight experimental scenarios…
View details →Suttles S, Boeth RR, Frazier M et al. · 2026 · Military medicine
Objective Describe an innovative Sports Medicine clinic design implemented in an outpatient Physical Therapy (PT) clinic within a Military Treatment Facility (MTF) for both referral and direct access (DA) entry portal pathways, and to…
View details →Ramezani A, Rahimi S, Soltani A et al. · 2026 · Preprint
Abstract Background : Chronic pain is highly prevalent among older adults and has been shown to be associated with differences in cognitive function. While pain intensity reflects the severity of pain, pain interference assesses the extent…
View details →Yılmaz A, Kurt D · 2026 · BMC pregnancy and childbirth
Objective To evaluate systemic immune-inflammatory biomarkers in patients diagnosed with eclampsia and to investigate their potential association with inflammation. Methods This retrospective study included 31 patients with eclampsia and…
View details →Chen G, Jiang L · 2026 · Preprint
Abstract How do contentious implementation processes reshape political trust in multi-level governance systems? This article examines this question through the case of land expropriation in China, a policy domain marked by visible local…
View details →Henriques Cavalcanti Torres de Melo R, de Barros Silva PG, Neto HFEC et al. · 2026 · World journal of surgical oncology
Introduction Colorectal cancer (CRC) is one of the most prevalent malignancies worldwide, with up to 50% of patients developing metastatic disease, predominantly involving the liver. Hepatectomy remains the gold standard for resectable…
View details →Karlin NJ · 2026 · Psychological reports
Given the unique challenges faced by frontier aging older adults, such as limited access to healthcare and social services, the potential for different functional disabilities as compared to rural older adults exists. By comparing frontier…
View details →Aghdasi Z, Negahban H, Movahedi Aliabadi M et al. · 2026 · The Journal of manual & manipulative therapy
Background Lumbar disc herniation (LDH) is a leading causes of low back pain (LBP). Conservative approaches, such as the McKenzie Method of Mechanical Diagnosis and Therapy (MDT), are widely used as first-line treatments. MDT is based on…
View details →Park S, Shin JH, Moon WJ et al. · 2026 · Medicine
It is important to identify the origin of ultrasonographic punctate echogenic foci (PEF), which represent microcalcifications, in cervical lymph nodes (LNs). This study aimed to explore the malignancy rate of LNs with PEF and investigate…
View details →Hussien A, Rao E, Roberts E et al. · 2026 · Spine deformity
Background Delayed presentation of Adolescent Idiopathic Scoliosis (AIS) is common in the UK and is characterised by larger Cobb angles at diagnosis. The size of the Cobb angle influences the mode and effectiveness of treatment strategies…
View details →Lee W, Kim S, Ahmed KE et al. · 2026 · The Journal of prosthetic dentistry
Statement of problem The effect of different postpolymerization units on the mechanical reliability and degree of conversion (DC) of 3-dimensional (3D) printed interim resins remains unclear, particularly when third-party units are used…
View details →Öztürk Ü, Kurutaş EB, Üremiş N et al. · 2026 · Journal of clinical medicine
Background/Objectives: The G protein-coupled estrogen receptor (GPER) is known to interact with cellular stress responses and DNA damage pathways. Therefore, exposure to ionizing radiation may modulate the biological consequences of…
View details →Jianmongkol S, Wattanakamolchai S, Wainipitapong S et al. · 2026 · Hand (New York, N.Y.)
Background Depression is frequently diagnosed in patients experiencing traumatic injury and chronic neuropathic pain. Psychological factors may undermine patient motivation, potentially adversely affecting surgical outcomes. This study…
View details →Ma L, Ma Y, Huang Z et al. · 2026 · BMC public health
Stroke remains a leading cause of death and disability among older adults. Depressive symptoms and low social participation have been linked to stroke risk via behavioral and biological pathways. This study examined the independent and…
View details →Cogozzo A, Habermaass V, Dini R et al. · 2026 · Veterinary medicine international
The liver plays a central role in glucose and lipid metabolism. In human medicine, glucose metabolism alterations and insulin resistance are commonly associated with chronic liver disease (CLD), particularly in metabolic…
View details →Timoceanu L, Lang C, Tschuppert S et al. · 2026 · BMC ophthalmology
Purpose To quantify early real-world visual acuity (VA) responder rates at 25-35 days after idiopathic full-thickness macular hole (FTMH) surgery and evaluate the influence of hole size, gas tamponade, and prescribed duration of face-down…
View details →Hus A, Brown A, Bundschu I et al. · 2026 · Injury
Background Helicopter emergency medical services (HEMS) play a crucial role in trauma transport, accounting for approximately 550,000 transportations annually. However, HEMS holds a disproportionate share of trauma causes, highlighting its…
View details →Asfour H, Aram K, Hassouna M et al. · 2026 · Annals of surgical oncology
Background Skin grafting after skin cancer excision is a commonly performed procedure. Preoperative identification and optimization of patients at risk of graft failure can improve outcomes and healthcare cost effectiveness. This study…
View details →Soltani S, Rahimi HR, Seifi N et al. · 2026 · Public health nutrition
Objective The present study aimed to investigate the association between adherence to the Dietary Approaches to Stop Hypertension (DASH) diet and the risk of depression and anxiety severity in a large group of Iranian adults. Design In…
View details →de Souza NM, de Lima Silva PHP, de Souza Penna ER et al. · 2026 · Preprint
Although poverty and tuberculosis are insidiously linked, knowledge of the relationship between social determinants of health (SDH) and post-tuberculosis lung disease (PTLD) is limited. This study aimed to analyze the association between…
View details →Bayar E, Cengiz T, Erdoğan F et al. · 2026 · BMC geriatrics
BACKGROUND: Hip fractures represent a major public health concern due to their increasing incidence in the aging population and their association with significant morbidity and mortality. Comorbidities are known to complicate both the…
View details →Islam MF · 2026 · Preprint
Abstract Background Cardiopulmonary resuscitation (CPR) is a life-saving intervention where nurses often serve as first responders. In Bangladesh, limited data exists on nurses’ CPR knowledge, particularly in regional hospitals. This study…
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