20,227 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.
Selikhovkin A, Mamaev N, Martirova M et al. · 2026 · Insects
The European spruce bark beetle ( Ips typographus ) is the main pest of spruce in northwestern European Russia, particularly in the Leningrad Region. Its outbreaks occur quite frequently. However, the population dynamics of Ips typographus…
View details →Lam JR, Anastasopoulou C, Khattak ZE et al. · 2026
McArdle disease, also known as glycogen storage disorder (GSD) type 5, is a rare inherited metabolic disorder primarily affecting skeletal muscles. This condition arises from a deficiency or complete lack of the enzyme muscle glycogen…
View details →Mohapatra A, Mohanty M, Parida S et al. · 2025 · Cureus
Introduction Breast cancer is one of the most common malignancies. Early diagnosis and prevention usually lead to a good prognosis and a better survival rate. Despite significant advancements in the prevention, there is still a lack of…
View details →Toprak M, Toprak N, Oncu MR et al. · 2026 · Journal of musculoskeletal & neuronal interactions
Objective To evaluate ARFI elastography as a diagnostic and monitoring tool in Bell's palsy by comparing affected and unaffected facial muscles, pre- and post-treatment. Methods Thirty patients with Bell's palsy (17 females and 13 males,…
View details →Philpott A, Lambers A, Lee S et al. · 2026 · Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
Femoral component internal rotation tightens the medial flexion gap and medialises femoral trochlea position, thus influencing patellofemoral tracking and function. Therefore, one of the tenets of mechanically aligned total knee…
View details →Ran X · 2026 · Scientific reports
This study examines the relationship between psychological indicators and performance outcomes, and explored changes in motor performance during a training period incorporating virtual reality (VR)-based components. The sample consisted of…
View details →Li S, Tan F, Tan J et al. · 2026 · Journal of psychosomatic research
Mood disorders often coexist with obesity and metabolic syndrome (MetS), but postoperative trajectories after laparoscopic sleeve gastrectomy (LSG) in Chinese patients are unclear. This retrospective cohort study included 36 patients with…
View details →Venkatasamy NS, Ayub II, Kailasam V et al. · 2026 · The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association
ObjectiveTo evaluate the respiratory muscle strength in patients with cleft lip and palate (CLP) and correlate with airway dimensions.DesignCross-sectional.SettingThe study was conducted at a Sri Ramachandra Dental College and hospital in…
View details →LIU Z, LIANG S, WANG J et al. · 2026 · Preprint
Abstract Purpose The sandy playing surface imposes heightened demands on lower limb strength in beach volleyball. However, whether the relationship between lower limb strength and athletic performance is linear, and the optimal strength…
View details →Wu ZX, Hua SR, Xie X et al. · 2026 · Zhonghua er ke za zhi = Chinese journal of pediatrics
Objective: To explore the relationship between obesity and lung function, fractional exhaled nitric oxide (FeNO) levels, and asthma control in children and adolescents with asthma. Methods: A retrospective cohort study. A retrospective…
View details →Mohammed RS, Ramadan MA, Abdelgwad MM et al. · 2026 · Journal of occupational and environmental medicine
Objectives The study investigated thyroid function, oxidative stress and PI3K/AKT/FoxO3 pathway in employees occupationally exposed to a noise. Methods Environmental noise levels were measured along with assessment of Serum levels of T3,…
View details →Masri MA, Fang Z, Arian R et al. · 2026 · Preprint
Abstract Background: Perineural invasion (PNI) is a key prognostic factor in oral squamous cell carcinoma (OSCC). Recent studies have proposed the importance of subcategorizing PNI based on location in relation to the tumor. However,…
View details →Konukçu-Kayar B, Karaalioğlu B, Demir B et al. · 2026 · The Journal of craniofacial surgery
Nasal skin thickness is a key determinant of surgical planning, postoperative healing, and aesthetic outcomes in rhinoplasty (RNP). However, objective assessment of nasal skin thickness is not always feasible in routine clinical practice.…
View details →Alani AH, Ahmed D, Al-obaidi QA et al. · 2026 · Preprint
Recently, studies have focused on producing green, sustainable concrete with improved environmental performance, utilizing recycled waste materials. The early compressive strength of Green High Strength Concrete (GHSC) containing up to 60%…
View details →Mattelaer N, David S, Steenackers N et al. · 2026 · International journal of endocrinology and metabolism
Background Dopamine is an essential neurotransmitter involved in motivation and reward. In obesity, altered dopaminergic responses to food may drive excess energy intake, implicating dopamine in the pathophysiology of obesity.…
View details →Zhu L, Thungjaroenkul P, Abhicharttibutra K et al. · 2026 · Journal of nursing measurement
Background and Purpose: Patient participation is fundamental to modern health care. No validated instrument exists to assess nurses' performance in enhancing patient participation within Chinese health care. This study developed and…
View details →Takla MKN, Rageh MRM, Aboalata MAM et al. · 2026 · Journal of back and musculoskeletal rehabilitation
BackgroundRecurrent hamstring strain injuries are associated with deficits in eccentric strength and altered muscle-tendon extensibility, which may persist and contribute to reinjury risk.ObjectiveTo examine the relationship between…
View details →Wang X, Dong X, Xu X et al. · 2026 · Preprint
Abstract Background Short-video platforms in China have evolved into primary digital health information channels. Their algorithm-driven ecosystems raise critical questions about the quality and reach of specialized medical content, such…
View details →Peña-González I, Roldán A, Barquero BL et al. · 2026 · Preprint
Background: Inter-limb asymmetry has been widely studied as a potential determinant of physical performance in able-bodied athletes; however, its functional relevance in athletes with neurological impairments such as spastic hemiparesis…
View details →Alwahbi Z, Asiri A · 2026 · Preprint
Abstract Purpose To assess the level of knowledge regarding ADHD among primary pediatric care providers and to identify factors associated with higher or lower knowledge levels in the southern region of Saudi Arabia in 2026. Methods This…
View details →Solera-de-Andrés C, Spang-Valencia P, Peralta-Calvo J · 2026 · The British journal of ophthalmology
Background Retinoblastoma (RB) treatment aims to ensure survival, globe preservation and visual function. Intra-arterial chemotherapy (IAC) has improved globe salvage, but there remains limited information on visual outcomes following this…
View details →Militsi E, Reingewirtz Y, Séverac F et al. · 2026 · Oral diseases
Background This study assessed the feasibility of remote halitosis diagnosis by evaluating VSC stability over 7 days and their association with periodontal parameters. Methods One hundred adult patients attending a periodontal examination…
View details →Durgin FH, Love A, Taylor G et al. · 2026 · Journal of experimental psychology. Human perception and performance
To dissociate density-based and number-based explanations of the aftereffects affecting visually perceived numerosity, a preregistered psychophysical experiment was conducted with 60 participants. The experiment was designed to address a…
View details →Martini JD, Xavier de Araujo F, Teixeira C · 2026 · Respiratory care
Background We sought to evaluate the prevalence and factors associated with diaphragmatic dysfunction using bedside ultrasound in critically ill subjects undergoing invasive mechanical ventilation in pressure-support ventilation (PSV)…
View details →Song CH, Chang YC · 2026 · Acta paediatrica (Oslo, Norway : 1992)
Aim To investigate baseline pneumococcal antibody levels and the influence of allergic sensitization in children under age six with recurrent respiratory infections. Methods We conducted a retrospective analysis of 38 fully immunised…
View details →Gathof A, Jahaj L, Patalano S et al. · 2025 · ACS omega
The concentrations of organophosphate esters (OPEs) in atmospheric particulate matter (PM) collected every 6 days at two sites across Providence, Rhode Island (Providence College, PC, and the Port of Providence, Port) are reported for the…
View details →Kumari S, Marwah S, Manna S et al. · 2026 · Cureus
Background Combined oral contraceptives (COCs) are the cornerstone therapy for polycystic ovary syndrome (PCOS). While COCs have been shown to improve cognitive performance, the relationship between these gains and hormonal profiles,…
View details →Wu Q, Han Q, Shan X et al. · 2026 · Preprint
Abstract With the global decline of fish stocks, crustaceans have gained increasing ecological and economic significance. Portunus trituberculatus is a key crab species in the Asia-Pacific, with its highest density in China's Bohai Sea.…
View details →Ibrahim A, Albarhawi A, Saadi A · 2026 · Georgian medical news
Background Thyroid disorders, hypothyroidism or hyperthyroidism, are frequently encountered in medical practice. Estimating the significance of MPV as an indicator of thrombotic propensity in hypothyroidism would be helpful and looking for…
View details →Stojković B, Igić M, Jevtović Stoimenov T et al. · 2026 · Diagnostics (Basel, Switzerland)
Background/Objectives : This exploratory study aimed to investigate potential differences and associations between salivary hBD-2 levels and dental caries, as well as between unstimulated salivary pH and salivary hBD-2 levels, in children…
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