Negative / Null Result ReportMedicine
Van der Wielen I, Mrkonja L, Wiers R et al. · 2026 · Behavioural brain research
Reward learning can contribute to addictive behaviors by shaping attention and action selection. While reward-associated stimuli are known to capture attention, it remains unclear whether such learning can also guide behavior without…
View details →Negative / Null Result ReportMedicine
Lipman ET, Frishman WH · 2026 · Cardiology in review
Cardiovascular disease remains the leading cause of morbidity and mortality worldwide. Given the global burden, the potential role of micronutrients-particularly vitamins-in modifying cardiovascular risk has been a topic of intense…
View details →Negative / Null Result ReportMedicine
Katz JM, Yan R, Beltz AM et al. · 2026 · Appetite
Sex - and its associated gonadal hormones - matters for binge eating (BE). On average, females report higher BE than males. Estradiol generally suppresses appetite, whereas progesterone opposes estradiol's action such that their combined…
View details →Negative / Null Result ReportOpen accessMedicine
Lara-Arevalo J, Corvalan C, Pemjean I et al. · 2025 · Advances in nutrition (Bethesda, Md.)
Healthy food voucher programs (HFVPs) provide lower-income participants with benefits to purchase healthy, nutrient-dense foods and are a promising strategy for improving dietary and nutritional outcomes. HFVPs can complement policies…
View details →Negative / Null Result ReportMedicine
Boffetta P, Zaridze D, Świątkowska B et al. · 2026 · Frontiers in oncology
Introduction Exposure to arsenic, cadmium, chromium (VI) and nickel increases the risk of lung cancer; whereas humans are exposed to mixtures, epidemiology studies refer to individual metals/metalloids. Methods We analysed the data of a…
View details →Negative / Null Result ReportMedicine
Bevilacqua K, Gemmill A, Jackson D et al. · 2026 · Journal of immigrant and minority health
Latina/e women in the United States (US) experience intimate partner violence (IPV) at similar or lower rates than other women but worse IPV-related health outcomes, perhaps due to barriers to help-seeking. IPV reporting to police is one…
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Martineau AR · 2026 · Current opinion in infectious diseases
Purpose of review This review summarizes findings of recent Phase 3 randomized controlled trials (RCTs) and meta-analyses investigating effectiveness of vitamin D supplementation for prevention and treatment of tuberculosis or acute…
View details →Negative / Null Result ReportMedicine
Yang NY, Ke TM, Huang Y et al. · 2026 · Life (Basel, Switzerland)
Background/Objectives : Pancreatic cancer is one of the most lethal malignancies, with poor survival and few established modifiable risk factors. While Helicobacter pylori ( H. pylori ) infection is a known cause of gastric cancer, its…
View details →Negative / Null Result ReportMedicine
Binder M, Blankenberg AK, Nickel J · 2025 · Ecological economics
A positive relationship between pro-environmental behavior and subjective well-being has been used to argue for a “double dividend”, i.e. the narrative that pro-environmental behavior is beneficial for both environment and individual, when…
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Wang Y, Sha S, Gwenzi T et al. · 2026 · Clinical nutrition (Edinburgh, Scotland)
Background & aims Vitamin D insufficiency and deficiency are common worldwide and linked to adverse health outcomes, including higher all-cause mortality. Two large randomized controlled trials (VITAL and D-Health), conducted in mostly…
View details →Negative / Null Result ReportOpen accessMedicine
Braun D, Olmer A · 2026 · Frontiers in psychiatry
Background and hypothesis Toxoplasma gondii (TG) exposure and host immunogenetic variation have been implicated in psychosis. Interferon-gamma (IFN-γ) is central to TG control; the IFN-γ +874T/A polymorphism has been linked to variability…
View details →Negative / Null Result ReportMedicine
Vinceti M, Vicentini M, Ottone M et al. · 2026 · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS)
Background Consistent evidence from randomized controlled trials has shown that overexposure to selenium induces type 2 diabetes. However, uncertainties remain about the specific species and doses of selenium that trigger such diabetogenic…
View details →Negative / Null Result ReportMedicine
Arza A, Gong Y, Shu J et al. · 2026 · Physical review letters
Millicharged particles are well-motivated dark matter candidates arising in many extensions of the standard model. We show that, despite their tiny coupling e_{m} to photons, millicharged dark matter (mDM) in the Earth's geomagnetic field…
View details →Negative / Null Result ReportMedicine
Ishaqui AA, Alsaleh EA, Khalil AAA et al. · 2026 · Naunyn-Schmiedeberg's archives of pharmacology
Heart failure (HF) hospitalization is a high-risk transition period with frequent early post-discharge events; we evaluated whether oral metoprolol exposure during the index HF hospitalization is associated with lower all-cause death…
View details →Negative / Null Result ReportMedicine
Ward J, Agbude R, Smees R et al. · 2025 · Hearing research
This study examined the concentrations of excitatory and inhibitory neurotransmitters (glutamate and GABA respectively) in two regions of interest (auditory and insular cortices) and a control region (visual cortex) to test the hypothesis…
View details →Negative / Null Result ReportOpen accessMedicine
Trotter D, Pariz A, Hutt A et al. · 2025 · Frontiers in synaptic neuroscience
Introduction Non-invasive brain stimulation techniques, widely used to manipulate neural excitability and behavior, are well studied at the meso- and macroscopic scales. However, less is known about their specificity at the level of…
View details →Negative / Null Result ReportMedicine
Makin A, Taylor A, Macpherson L · 2025 · Psychological reports
The attractiveness halo effect has been discussed for over a century. Physically attractive people are often judged more favourably and accrue many life advantages. Halo effects have been observed in university settings for decades, but…
View details →Negative / Null Result ReportOpen accessMedicine
Lee P, Li J, Jones BC et al. · 2025 · Evolutionary psychology : an international journal of evolutionary approaches to psychology and behavior
Researchers have suggested that men with more masculine facial characteristics have stronger immune systems but are perceived to be less likely to invest resources in partners and offspring. How women resolve this putative trade-off…
View details →Negative / Null Result ReportMedicine
Stilp CE, Winn MB · 2026 · The Journal of the Acoustical Society of America
Identification of speech sounds is influenced by spectral contrast effects (SCEs), the perceptual magnification of spectral differences between successive sounds. SCEs result in the categorization of a target sound being biased away from…
View details →Negative / Null Result ReportMedicine
Harding JF, Walzer J, Piatt R et al. · 2025 · Contraception
Objectives It is important to identify programs that can work in multiple contexts to support adolescent parents in achieving their reproductive health goals. A randomized controlled trial in Ohio in 2012 found that the Teen Options to…
View details →Negative / Null Result ReportMedicine
Guest H, Plack CJ, Munro KJ et al. · 2026 · International journal of audiology
Objective Adult auditory brainstem response (ABR) amplitudes are employed by both researchers and clinicians, but exhibit substantial between-subject variability, reducing their sensitivity as measures of underlying auditory health. One…
View details →Negative / Null Result ReportOpen accessMedicine
Nielsen SP, Mathiesen L, Møller P · 2025 · Basic & clinical pharmacology & toxicology
This review examines the association between early life exposure to phthalates in human males and Leydig cell endocrine function. A systematic search was performed in PubMed and EMBASE, identifying 17 studies for analysis. Association…
View details →Negative / Null Result ReportOpen accessMedicine
Zhu J, Yi Y, Ma L et al. · 2026 · Italian journal of pediatrics
BACKGROUND: Observational epidemiology studies suggested a relationship between single-carbon metabolism and vitamin levels with autism spectrum disorder (ASD) risk. We aimed to explore the causal relationship between them at the genetic…
View details →Negative / Null Result ReportOpen accessMedicine
Rosales MR, Pulido JC, Sideris J et al. · 2026 · PloS one
Introduction Motor impairments have been reported in infants at elevated likelihood of autism and those later diagnosed with autism. However, empirical studies comparing higher to lower likelihood infants are lacking, limiting our…
View details →Negative / Null Result ReportMedicine
Gusmão B, Zürn MK, Topolinski S · 2026 · Cognition & emotion
Individuals attribute a higher truth value to repeated compared to novel information, the well-known truth effect. Also, information that contradicts what we have heard earlier is considered falser than both repeated and completely new…
View details →Negative / Null Result ReportOpen accessMedicine
Nieves-Méndez C · 2025 · Frontiers in human neuroscience
This perspective article explores the transformative potential of brain-Computer Interfaces (BCI) in undergraduate systems engineering programs, a domain characterized by high attrition and a widening gap between rapid technological…
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Alotaibi AM, Alosaimi MH, Orfali RS et al. · 2025 · Brain research bulletin
Hallucinations are often associated with alterations in brain activation, particularly in language-related and sensory processing areas. Existing models suggest different frameworks for understanding the relationship between brain…
View details →Negative / Null Result ReportMedicine
Newton JD, Ellis T, Ruther M et al. · 2026 · Environmental research
Living near green areas with high vegetation may contribute to an active lifestyle, stress reduction, and enhance social cohesion, and consequently may be associated with improved cancer survival. Epidemiologic studies focused on greenness…
View details →Negative / Null Result ReportOpen accessMedicine
Okunoye G, George Samuel C, Abdullahi H et al. · 2026 · Cureus
Gestational diabetes mellitus (GDM) is a common pregnancy complication with significant maternal and neonatal risks, and its prevalence is particularly high in Qatar. Myo-inositol has been proposed as an insulin-sensitizing supplement that…
View details →Negative / Null Result ReportOpen accessMedicine
Verhelst H, Gerrits R, Karlsson EM · 2025 · Neurobiology of language (Cambridge, Mass.)
Developmental dyslexia is a common learning disability marked by reading and spelling difficulties. While previous imaging studies aiming to elucidate the neurobiological mechanisms of this disorder have reported white matter alterations,…
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