Negative / Null Result Report
Carlsson KS, Brommels M, Ohrling M · 2026 · Preprint
Abstract Background Decentralised and market-inspired health system reforms have increased organisational plurality and local autonomy but often intensify fragmentation and complicate system-wide coordination. This study explored how…
View details →DOI: 10.21203/rs.3.rs-8703981/v1 Negative / Null Result ReportMedicine
Shida T, Hatanaka S, Ohta T et al. · 2026 · Geriatrics & gerontology international
Aim This study examined the association between plasma pentosidine concentrations-an advanced glycation end-product marker-and skeletal muscle morphometric indices, physical function, and sarcopenia among community-dwelling older adults…
View details →DOI: 10.1111/ggi.70515 Negative / Null Result ReportMedicine
Liu P, Zhao S, Yao J et al. · 2026 · Acta parasitologica
Purpose Cultivation of Theileria annulata schizont-transformed cell lines typically relies on fetal bovine serum (FBS), limiting standardization. This study evaluated three serum-free media (SFMs) for the in-vitro cultivation of T.…
View details →DOI: 10.1007/s11686-026-01294-1 Negative / Null Result Report
Lagacé-Cusiac R, Grahn JA, Ansari D · 2026 · Preprint
Relative magnitudes, such as ratios and proportions, are crucial to everyday life. According to the ratio processing system (RPS) theory, ratios across different formats share a common neural code. Prior neuroimaging studies have shown…
View details →DOI: 10.31234/osf.io/djcsb_v1 Negative / Null Result Report
Pollet TV, Fitzpatrick B, Meziani S et al. · 2026 · Preprint
Birth order has long been argued to be an important individual difference variable for domains such as personality and achievement. However, after many decades of research, the evidence for a birth order effect is scarce at best. Less is…
View details →DOI: 10.31234/osf.io/hn2j4_v3 Negative / Null Result ReportMedicine
Kim HH, Cragun J, DeScioli P · 2026 · Disasters
Researchers have argued that preventing disasters is more efficient than providing relief. Yet, previous scholarship has found that voters in the United States reward politicians more for relief than for prevention policies. It is unclear,…
View details →DOI: 10.1111/disa.70016 Negative / Null Result ReportMedicine
Gray SL, Liberman M, Onukwufor E et al. · 2026 · American journal of pharmaceutical education
Objectives Ageism remains a pervasive barrier to delivering high-quality health care to older adults. The objective of this scoping review is to describe studies on educational interventions aimed at improving the empathy and attitudes of…
View details →DOI: 10.1016/j.ajpe.2026.101960 Negative / Null Result ReportMedicine
Tóth AJ, Kunszabó A, Szakos D et al. · 2026 · Waste management (New York, N.Y.)
Food waste in schools presents significant environmental, economic, and social challenges. This large-scale study investigates the effectiveness of an awareness-raising campaign aimed at reducing food waste in schools. The intervention…
View details →DOI: 10.1016/j.wasman.2026.115426 Negative / Null Result ReportMedicine
Todorovic L, Baumer J, Larsen H · 2026 · Addictive behaviors
This study examined the relationship between ADHD symptoms and problematic social media use (PSMU) and problematic gaming (PG) in a community sample of emerging adults. Cognitive deficits underlying ADHD - inhibitory control deficits,…
View details →DOI: 10.1016/j.addbeh.2026.108608 Negative / Null Result ReportMedicine
Vasilyeva T, Kashirskaya N, Mukhina A et al. · 2026 · International journal of molecular sciences
The article presents a clinical case involving a patient with presumptive coexistence of two hereditary disorders, confirmed by molecular genetic analyses. Clinical evaluation of the proband, a 9-year-old girl, revealed features…
View details →DOI: 10.3390/ijms27052510 Negative / Null Result ReportMedicine
Skriver C, Corn G, Viuff JH et al. · 2026 · European journal of epidemiology
Statins may have anti-cancer effects against breast cancer, but evidence regarding their influence on the risk of contralateral breast cancer (CBC) remains inconclusive. In this updated study, incorporating a larger sample, extended…
View details →DOI: 10.1007/s10654-026-01364-8 Negative / Null Result Report
Pollet TV, Fitzpatrick B, Meziani S et al. · 2025 · Preprint
Birth order has long been argued to be an important individual difference variable for domains such as personality and achievement. However, after many decades of research, the evidence for a birth order effect is scarce at best. Less is…
View details →DOI: 10.31234/osf.io/hn2j4_v2 Negative / Null Result ReportMedicine
Jin S, Huang J, Wang Y et al. · 2026 · Molecular and cellular biochemistry
Despite observed epidemiological associations, the direct causality between chronic kidney disease (CKD) and senile cataract remains unclear. This bidirectional Mendelian randomization (MR) study assessed the causal associations between…
View details →DOI: 10.1007/s11010-026-05482-5 Negative / Null Result ReportMedicine
Luo J, Huang H, Shao W et al. · 2026 · Journal of affective disorders
Background Whether adolescent major depressive disorder (MDD) with psychotic features has a distinct peripheral metabolite signature remains uncertain. We compared targeted plasma neurotransmitter-related metabolites in psychotic MDD,…
View details →DOI: 10.1016/j.jad.2026.121436 Negative / Null Result Report
Bagdas D, Kebede N, Sedaille J et al. · 2026 · Preprint
Electronic cigarette liquids (e-liquids) often contain flavors and solvents that may influence nicotine addiction. In this study, we characterized the dose-response relationship of commercial unflavored nicotine e-liquids and investigated…
View details →DOI: 10.64898/2026.01.12.697777 Negative / Null Result ReportOpen accessMedicine
Imtiaz S, Russell C, Ali F et al. · 2025 · Substance abuse treatment, prevention, and policy
BACKGROUND: Decriminalization of possession of illegal drugs was implemented in British Columbia, Canada for a three-year period starting from January 31, 2023. As public sentiment played a large role in the outcome of a similar reform in…
View details →DOI: 10.1186/s13011-025-00680-8 Negative / Null Result ReportOpen accessMedicine
Elkhider O, Elshaikh O, Sharma A · 2026 · Cureus
Hemoglobin A1c (HbA1c) reflects average glycemia over approximately two to three months and is widely used for the diagnosis and monitoring of diabetes mellitus; however, discordant results may occur due to analytical interference, altered…
View details →DOI: 10.7759/cureus.108291 Negative / Null Result ReportMedicine
Mulligan DJ, Grasso DJ, Greene CA et al. · 2026 · Research on child and adolescent psychopathology
The latent structure of posttraumatic stress symptoms (PTSS) in early childhood remains poorly understood. This study aimed to assess PTSS in young children, identify underlying latent constructs, and evaluate their construct validity.…
View details →DOI: 10.1007/s10802-025-01396-w Negative / Null Result ReportOpen accessMedicine
Van de Bruaene C, Carbone F, Van den Houte K et al. · 2026 · Journal of neurogastroenterology and motility
Background/aims : The Leuven Postprandial Distress Scale (LPDS) is a validated patient reported outcome (PRO) measure for functional dyspepsia (FD)/postprandial distress syndrome (PDS) patients according to Rome III criteria. However,…
View details →DOI: 10.5056/jnm25108 Negative / Null Result ReportMedicine
Nuutinen V, Kaseva J, Lemola R et al. · 2026 · European Journal of Soil Science.
Deep burrowing earthworms Lumbricus terrestris can be abundant along subdrain trenches, creating macropores that may serve as preferential flow paths for particles and agrochemicals to subdrains. We examined L. terrestris abundance,…
Negative / Null Result ReportMedicine
Khani E, Khoshbaten M, Jafarabadi MA et al. · 2026 · Arab journal of gastroenterology : the official publication of the Pan-Arab Association of Gastroenterology
Background and study aims Despite being the leading cause of liver-related mortality, the treatment of metabolic dysfunction-associated steatotic liver disease (MASLD) remains challenging. This study aimed to assess the effects of…
View details →DOI: 10.1016/j.ajg.2025.11.004 Negative / Null Result ReportMedicine
McLeod A, Rullmann M, Hinderberger P et al. · 2026 · Neuroscience
A single nucleotide polymorphism in the brain derived neurotrophic factor (BDNF)-encoding gene leads to diminished BDNF signaling resulting from Val66Met and has been linked to obesity. Previous imaging studies regarding the impact of BDNF…
View details →DOI: 10.1016/j.neuroscience.2026.03.008 Negative / Null Result Report
Humayun SE, Bailey CD · 2025 · Preprint
The human brain exhibits distinct patterns of electrical activation in response to various stimuli—from sensory information to our most subtle feelings. These patterns have been used to demonstrate hemispheric differences in information…
View details →DOI: 10.31234/osf.io/rg6kx_v1 Negative / Null Result ReportMedicine
Kastrati G, Sopaj F, Bytyqi V et al. · 2025 · Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering
The study involved the determination of the concentrations of 11 potentially toxic elements (PTEs) in soil, honey, and pollen samples collected in the territory of Kosovo, followed by a statistical analysis. Inductively coupled…
View details →DOI: 10.1080/10934529.2025.2594372 Negative / Null Result Report
Niedtfeld I, Störkel L, Didushok V et al. · 2025 · Preprint
The first impression a person makes can substantially influence whether and how they areapproached and treated by others. Prior research on this process suggests that individualsexhibiting higher levels of maladaptive personality traits…
View details →DOI: 10.31234/osf.io/k9sdg_v1 Negative / Null Result ReportMedicine
Alexander KN, Turner MS, Salazar JP et al. · 2025 · Journal of research on adolescence : the official journal of the Society for Research on Adolescence
Many adolescents experience peer victimization during this critical period for development. Emotion regulation strategies, including cognitive reappraisal and emotional suppression, can help adolescents cope with such experiences. Although…
View details →DOI: 10.1111/jora.70119 Negative / Null Result Report
DeStefano L, Kim H, Erickson C et al. · 2025 · Preprint
Abstract Background: Fragile X syndrome (FXS) is characterized by sensory hypersensitivity and neural hyperexcitability linked to GABAergic dysfunction. BAER-101, formerly known as AZD7325, is a positive allosteric modulator of GABA A…
View details →DOI: 10.21203/rs.3.rs-8123031/v1 Negative / Null Result Report
Hogins J, Mekala S, Resendiz J et al. · 2025 · Preprint
At least half of all women will experience a urinary tract infection (UTI) in their lifetime. Age, sexual activity, hormonal status, and the urinary tract microbiome (urobiome) contribute to the probability of infection. While studies have…
View details →DOI: 10.1101/2025.11.04.686513 Negative / Null Result Report
Pollet TV, Fitzpatrick B, Meziani S et al. · 2025 · Preprint
Birth order has long been argued to be an important individual difference variable for domains such as personality and achievement. However, after many decades of research, the evidence for a birth order effect is scarce at best. Less is…
View details →DOI: 10.31234/osf.io/hn2j4_v1 Negative / Null Result ReportMedicine
Ishiguro S, Guitard D, Saint-Aubin J · 2025 · Quarterly journal of experimental psychology (2006)
Semantic relatedness of items improves working memory performance. We targeted one type of semantic relatedness, semantic association. The beneficial effect of association is often explained by the spreading-activation process:…
View details →DOI: 10.1177/17470218251392562 