19,918 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.
Hébert ET, Bataineh BS, Marti CN et al. · 2026 · Substance use & misuse
Introduction Vaping-related content is prevalent on social media, including industry-sponsored advertising and user-generated content that normalizes use. While previous research suggests a link between social media exposure and vaping,…
View details →Kheto P, Pallerla S, Bhattacharjee K et al. · 2026 · Clinical child psychology and psychiatry
BackgroundEmotional and behavioral problems (EBPs) in children significantly influence developmental domains, including interpersonal relationships, academic performance, and life skills.MethodsA cross-sectional study was adopted with…
View details →Kizito S, Ssewamala FM, Nabayinda J et al. · 2026 · Journal of acquired immune deficiency syndromes (1999)
Background We compared the performance of self-reports, pill counts, and electronic adherence measures in monitoring antiretroviral therapy (ART) adherence and association with viral suppression among adolescents living with HIV (ALHIV).…
View details →Quesada JA, Bertomeu-Gonzalez V, Cordero A et al. · 2026 · Menopause (New York, N.Y.)
Objectives Early and premature menopause are positively associated with coronary heart disease and stroke, but there is less evidence regarding its relationship with the onset of diabetes. The primary objective of this study is to assess…
View details →Han MD, Shimchuk A, Dosoudil E et al. · 2026 · Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons
Background Maxillary incisal display (MID) is a key feature in orthodontic and orthognathic surgical planning that critically impacts esthetics and forms the basis for the vertical positioning of the maxilla. In orthognathic surgical…
View details →Saito R, Yoshida K, Sawamura D · 2026 · Preprint
Abstract Heart rate variability biofeedback (HRVBF) has been investigated as a breathing-based intervention to enhance cognitive function, yet its efficacy varies across studies. Understanding the mechanisms underlying this variability is…
View details →Zahariev A, Zaharieva G, Shaulska L et al. · 2026 · Preprint
This study examines the relationship between house prices and the factors driving their growth under conditions of transition from a long-standing currency board regime to Eurozone membership. The main objective is to identify and quantify…
View details →Uqaily A, Bilal M, Kumari R et al. · 2026 · Preprint
This study was aimed to investigate the effect of lifestyle behaviors, traditional oral health practices, dietary patterns, and stress-related conditions on the oral health status of schoolchildren at NJV Government School, Karachi, based…
View details →Choppy MT, Duncan MI, Gordon N et al. · 2026 · Marine pollution bulletin
Microplastic ingestion by reef manta rays (Mobula alfredi) is a threat to their health and population stability. Seychelles' outer islands are vital habitats for M. alfredi but nothing is known about marine microplastic pollution in the…
View details →Hamurcu M, Gültekin BP, Göçmen M et al. · 2026 · Documenta ophthalmologica. Advances in ophthalmology
Purpose This study aimed to investigate the effects of estradiol changes occurring during the early follicular phase of the menstrual cycle on retinal ganglion cell function, retinal and optic nerve vascularity and structure in healthy…
View details →Leppänen M, Jarske H, Krosshaug T et al. · 2026 · Scandinavian journal of medicine & science in sports
The purpose of this explorative study was to investigate the association between anatomic factors and risk for non-contact anterior cruciate ligament (ACL) injuries among female team sport players. A total of 225 players from basketball,…
View details →McLintock C, Uprety S, McKelvie J et al. · 2026 · Journal of refractive surgery (Thorofare, N.J. : 1995)
Purpose To evaluate the visual outcomes and the impact of intermediate segment orientation on the performance of an asymmetric multifocal intraocular lens (IOL) in patients who have cataract. Methods In this retrospective single-center…
View details →Rujito L, Muhaimin A, Pergodi MA et al. · 2026 · Journal of education and health promotion
Background Artificial Intelligence (AI) implementation in medical education has changed the learning process, with new forms of diagnosis, treatment planning, and patient care. Biases in AI adoption among Indonesian medical schools'…
View details →Kolade OO, Obimakinde AM, Irabor AE · 2026 · Preprint
Abstract Background Timely access is increasingly being recognized as a marker for quality in healthcare. Wait time from referral to first appointment at specialist clinics is one of the several delays encountered by patients in the care…
View details →ali i, khan mz, ahmad k · 2026 · Preprint
Abstract Background The demanding nature of emergency department (ED) settings exposes nurses to significant workload stress, impacting their physical and mental well-being. This study explores the relationship between workload stress and…
View details →Okubo H, Soyama Y, Kaneko N et al. · 2026 · Community dental health
Shift work is common in the manufacturing industry and is associated with an increased risk of chronic disease due to irregular lifestyles. However, the dental health status of shift workers has rarely been assessed or reported. Therefore,…
View details →Salafranca Barreda D, González JA · 2026 · Chronobiology international
The purpose of this research is to establish whether there are factors that contribute to the predatory activation of serial homicide offenders (SHOs) in relation to the lunar cycles. In order to move the discussion away from the media…
View details →Barre GM, Mohamud AH · 2026 · Preprint
Abstract This study uses PLS path analysis and structural equation modelling (SEM) to examine the factors influencing Somali households' willingness to pay for renewable energy. Nonprobability purposive sampling was used in a quantitative…
View details →Yaguchi-Horiuchi A, Tsuji T, Takeuchi H et al. · 2025 · Aging clinical and experimental research
Objective This study aimed to investigate the relationship between ankle joint function and walking performance in older adults by assessing qualitative ankle functions through torque fluctuation analysis and tibialis anterior (TA)…
View details →Zakaria K, Khalaf MH, Soryal GB et al. · 2025 · Preprint
Abstract Background; Haematopoietic stem cell transplant (HSCT) is the transplant of stem cells usually derived from bone marrow, Peripheral blood, Umbilical cord, Matched sibling donor (HLA 6/6) , Or Haplo-Identical donor (HLA Matching…
View details →Bozkurt H, Taşkın M, Özcan C et al. · 2026 · Journal of laparoendoscopic & advanced surgical techniques. Part A
Background Acute appendicitis (AA) is one of the most common surgical conditions presenting as acute abdomen. Delaying appendectomy can increase the risk of perforation. However, patients admitted or treated at night have been found to…
View details →Farhadnejad H, Mokhtari E, Dianati Z et al. · 2026 · Nutrition, metabolism, and cardiovascular diseases : NMCD
Background and aims Antioxidants are known to combat oxidative stress, a key factor in the development of cardiovascular diseases(CVDs) and mortality. In the current study, we aimed to prospectively investigate the relationship between the…
View details →Smart BP, Forte A, Jacobs J et al. · 2026 · Journal of diabetes research
Objective The goal of this study is to explore the association between racial/ethnic, sex, and age category concordance and participant retention and weight loss among participants enrolled in the National Diabetes Prevention Program…
View details →Aghajani MS, Hatami J, Toofaninejad E · 2026 · Teaching and learning in medicine
Despite the widespread application of artificial intelligence (AI) in medical education, limited research has been conducted on the acceptance of this technology from medical students' perspectives. Therefore, this study aims to highlight…
View details →Badzińska J, Żegleń M, Słowik J et al. · 2026 · American journal of human biology : the official journal of the Human Biology Council
Objectives Emotional intelligence is crucial for young athletes, affecting their psychosocial well-being and performance. Biological development, which includes physiological changes, is also important for athletes, affecting their…
View details →Kyriopoulos I, Minos D, Vandoros S et al. · 2026 · The Milbank quarterly
Policy Points This study examines the link between corruption and mortality. We find that corruption is associated with higher mortality, particularly in low-income countries. It is also linked to lower government revenue and distorted…
View details →Fleischeuer B, Mourmans R, Dibbets P et al. · 2026 · Food Quality and Preference.
Picky eating is common among children with autism spectrum disorder (ASD) and can lead to nutritional deficiencies with negative health consequences. Because ASD traits and picky eating often co-occur, it remains unclear whether similar…
View details →Sari MP, Wiyono S, Giyanto et al. · 2026 · Current microbiology
Leaves, due to their high exposure, are particularly susceptible to environmental influences. Foliar endophytic fungi play important roles in plant resilience and adaptation yet remain poorly documented in the Zingiberaceae. This study…
View details →Sowa MS, Sowa J, Budzanowski M · 2026 · Biomedicines
Background/Objectives: Endovascular treatment of cerebral arteriovenous malformations (AVMs) and arteriovenous fistulas (AVFs) is associated with substantial radiation exposure due to procedural complexity and repeated angiographic…
View details →Canadas MDB, Sousa ABS, Panzeri FC · 2026 · European journal of oral sciences
To evaluate the combination of composites, adhesive systems, and burs considering artificial accelerated aging (AAA), influence enamel roughness and morphology after attachment removal. One hundred ninety-two bovine enamel specimens were…
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