Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.1057/s41271-026-00633-w Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.1002/pam.70074 Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.3389/fpubh.2025.1710746 Negative / Null Result ReportMedicine
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 →DOI: 10.1111/desc.13526 Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.32920/ihtp.v5i3.2696 Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.1186/s40001-025-03510-6 Negative / Null Result Report
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 →DOI: 10.21203/rs.3.rs-3519545/v1 Negative / Null Result Report
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 →DOI: 10.31234/osf.io/nrvza Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.1038/s41598-023-37404-6 Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.7759/cureus.104866 Negative / Null Result ReportOpen accessMedicine
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…
View details →DOI: 10.3390/nu18101560 Negative / Null Result ReportMedicine
Møller P, Roursgaard M · 2024 · Mutation research. Reviews in mutation research
Humans ingest particles and fibers on daily basis. Non-digestible carbohydrates are beneficial to health and food additives are considered safe. However, titanium dioxide (E171) has been banned in the European Union because the European…
View details →DOI: 10.1016/j.mrrev.2024.108491 Negative / Null Result ReportOpen accessMedicine
Jin Q, Liu Y, Tong Q et al. · 2025 · Frontiers in nutrition
Objective To examine whether a concise, clinic-feasible Patient Inflammatory Diet Score (PIDS) relates to prevalent pancreatic cancer and cardiovascular disease (CVD) in a hospital population, and to explore associations with systemic…
View details →DOI: 10.3389/fnut.2025.1666682 Negative / Null Result ReportMedicine
Davidenko N, Day J · 2025 · Memory & cognition
Humans' ability to draw faces accurately from memory is extremely rare. One source of difficulty is the drawing process itself, which requires converting a complex, three-dimensional mental representation to a two-dimensional drawing. To…
View details →DOI: 10.3758/s13421-023-01498-0 Negative / Null Result ReportMedicine
Gaskins AJ, Newman AJ, Kawwass JF et al. · 2026 · Environmental research
Background While extreme ambient heat has been associated with several adverse pregnancy and birth outcomes little is known regarding the link between extreme ambient temperatures and human fertility. Objective To evaluate the associations…
View details →DOI: 10.1016/j.envres.2026.123783 Negative / Null Result ReportOpen accessMedicine
van Bree S, Mackenzie AS, Wimber M · 2024 · Imaging neuroscience (Cambridge, Mass.)
The application of multivariate pattern analysis (MVPA) to electroencephalography (EEG) data allows neuroscientists to track neural representations at temporally fine-grained scales. This approach has been leveraged to study the locus and…
View details →DOI: 10.1162/imag_a_00330 Negative / Null Result ReportOpen accessMedicine
Sato K, Inoue K, Yamaguchi T et al. · 2025 · JAMA network open
Importance Excess salt intake is a major modifiable risk factor for hypertension and cardiovascular disease. Personalized interventions using genetic information and digital tools, such as smartphone applications, may enhance sodium…
View details →DOI: 10.1001/jamanetworkopen.2025.37540 Negative / Null Result ReportOpen accessMedicine
Liu P, Zeng Q · 2025 · Journal of multidisciplinary healthcare
Background The causal relationship between HIV infection and insulin resistance, as well as diabetes mellitus, remains uncertain. This study explores these associations using genome-wide association study data and Mendelian randomization…
View details →DOI: 10.2147/jmdh.s546669 Negative / Null Result ReportOpen accessMedicine
Shaaban M, Ryan JT, Adediran E et al. · 2026 · F&S reports
Objective To study whether incident endometriosis diagnosis, staging, and typology are associated with concurrent elevated serum inflammatory markers interleukin-6 (IL-6), interleukin-8 (IL-8), and tumor necrosis factor alpha (TNF- α ).…
View details →DOI: 10.1016/j.xfre.2026.02.007 Negative / Null Result Report
Levy H, Naples A, Collett S et al. · 2023 · Preprint
Individuals with hoarding disorder (HD) have difficulty parting with personal possessions, which leads to the accumulation of excessive clutter. According to a proposed biphasic neurobiological model, HD is characterized by blunted central…
View details →DOI: 10.22541/au.169524727.72955633/v1 Negative / Null Result ReportOpen accessMedicine
Zebarjadi N, Kluge A, Adler E et al. · 2024 · eNeuro
The study of ideological asymmetries in empathy has consistently yielded inconclusive findings. Yet, until recently these inconsistencies relied exclusively on self-reports, which are known to be prone to biases and inaccuracies when…
View details →DOI: 10.1523/eneuro.0086-24.2024 Negative / Null Result ReportOpen accessMedicine
Anettová L, Šipková A, Cibulka P et al. · 2025 · Parasitology research
This study summarizes the findings of a comprehensive field investigation into the presence of Angiostrongylus cantonensis, a zoonotic nematode responsible for meningitis, in selected regions of the eastern Mediterranean. Samples were…
View details →DOI: 10.1007/s00436-025-08580-3 Negative / Null Result ReportMedicine
Vengurlekar IN, Thudi KR · 2025 · Psychological reports
Video gaming has become a popular method of entertainment for college students. Previous work indicates mixed results regarding the link between video gaming and mental health outcomes. However, little research has addressed how different…
View details →DOI: 10.1177/00332941231196551 Negative / Null Result ReportMedicine
Chatlaong MA, Stanford DM, Miller WM et al. · 2024 · Clinical hemorheology and microcirculation
Background Post-occlusive reactive hyperemia (PORH) typically requires caffeine abstinence. For habitual users, it is unknown if abstinence affects PORH. Objective Compare PORH after habitual users consume or abstain from caffeine. Methods…
View details →DOI: 10.3233/ch-232036 Negative / Null Result Report
Kaplan-Kahn EA, Russell M, Kellen D et al. · 2023 · Preprint
In spoken language, the prosodic contours of a speaker’s voice, including the volume, duration, and intonation of each syllable, influence the moment-to-moment processing of the utterance’s meaning. A robust body of literature supports the…
View details →DOI: 10.31234/osf.io/hyjzn Negative / Null Result ReportMedicine
Gupta A, Dashti HS · 2025 · Current sleep medicine reports
Purpose of review Daytime napping, a brief sleep episode during the day, has mixed health effects. This review explores the relationship between daytime napping frequency and health outcomes by synthesizing results from published Mendelian…
View details →DOI: 10.1007/s40675-025-00333-z Negative / Null Result ReportMedicine
Ashy C, Few WE, Rivas GA et al. · 2026 · HCA healthcare journal of medicine
Introduction Concerns are rising regarding the quality, validity, and reliability of clinical research findings in medical literature. This investigation sought to identify the most cited orthopedic clinical studies and assess the…
View details →DOI: 10.36518/2689-0216.2188 Negative / Null Result ReportOpen accessMedicine
López-Padilla MF, Seoane-Miraz D, Guiñón-Fort D et al. · 2026 · Antioxidants (Basel, Switzerland)
Polyphenols represent the largest and most diverse class of dietary antioxidants. Epidemiological evidence linking specific (poly)phenol classes, such as flavonoids and lignans, to breast cancer (BC) risk remains limited and largely…
View details →DOI: 10.3390/antiox15030342 Negative / Null Result Report
Lazarevic LB, Wagge JR, Balci BB et al. · 2023 · Preprint
The present study presents results of a collaborative registered replication of Griskevicius et al.’s (2010) findings from Experiment 1 conducted by 24 student groups from six countries (N = 3,774) investigating if pro-environmental…
View details →DOI: 10.31234/osf.io/sfmz8 Negative / Null Result Report
Ensinck ENF, Lakens D · 2023 · Preprint
We quantified how many studies registered on the Open Science Framework (OSF) up to November 2017 are performed but not shared after at least 4 years. Examining a sample of 169 registered research studies we found that 104 (61.5%) were…
View details →DOI: 10.31234/osf.io/5hkjz 