As there was no relationship between cytokine profiles and sepsis,

further studies are required to develop clinical applications.”
“Background Informal caregiving is an integral part of the care of people with severe mental illness, but the support needs of those providing such care are not often met. Aims To determine whether interventions provided to people caring for those with severe mental illness improve the experience of caring and reduce caregiver burden. Method We conducted a systematic review and meta-analyses of randomised controlled trials (RCTs) of interventions delivered by health and social care services to informal carers (i.e. family or friends who provide ASA-404 support to someone with severe mental illness). Results Twenty-one RCTs with 1589 carers were included in the review. There was evidence suggesting that the carers’ experience of care was improved at the end of the intervention by psychoeducation (standardised mean difference -1.03, 95% Cl -1.69 to -0.36) and support groups (SMD = -1.16, 95% Cl -1.96 to -0.36). Psychoeducation had a benefit on psychological distress more than 6 months later (SMD = -1.79, 95% Cl -3.01 to -0.56) but not immediately post-intervention. Support interventions had a beneficial effect on psychological distress at the end of the intervention (SMD = -0.99, 95% Cl -1.48 to -0.49) as did problem-solving bibliotherapy (SMD = -1.57, 95% Cl -1.79

to -1.35); these effects were maintained at follow-up. The quality of the evidence was mainly low and very low. Evidence for combining these interventions and for this website self-help and self-management was inconclusive. Conclusions Carer-focused Proteases inhibitor interventions appear to improve

the experience of caring and quality of life and reduce psychological distress of those caring for people with severe mental illness, and these benefits may be gained in first-episode psychosis. Interventions for carers should be considered as part of integrated services for people with severe mental health problems.”
“The protein RpoS is responsible for mediating cell survival during the stationary phase by conferring cell resistance to various stressors and has been linked to biofilm formation. In this study, the role of the rpoS gene in Escherichia coli O157:H7 biofilm formation and survival in water was investigated. Confocal scanning laser microscopy of biofilms established on coverslips revealed a nutrient-dependent role of rpoS in biofilm formation, where the biofilm biomass volume of the rpoS mutant was 2.4- to 7.5-fold the size of its rpoS(+) wild-type counterpart in minimal growth medium. The enhanced biofilm formation of the rpoS mutant did not, however, translate to increased survival in sterile double-distilled water (ddH(2)O), filter-sterilized lake water, or unfiltered lake water. The rpoS mutant had an overall reduction of 3.10 and 5.30 log(10) in sterile ddH(2)O and filter-sterilized lake water, respectively, while only minor reductions of 0.53 and 0.

Two subgroups of patients were then distinguished -G1(n Nocodazole ic50 = 92) – patients below 45 years of age (17 – 44.9 years) and G2 (n = 193) – patients older than 45 years of age (45 – 88 years). The crucial role in the diagnostic process was played by transvaginal ultrasound (TVU), being a basis for preliminary diagnosis.\n\nResults: Malignant ovarian neoplasms were detected in 01 and G2 with the frequency of 2.1% and 17.6% respectively,

benign neoplasms in 42.3% and 36.3%, and non-neoplastic lesions in 54.3% and 45% of women. In 02 metastatic neoplasms constituted 26.5% of malignant tumours, while from 2 cases of cancer in G1 none was of metastatic character. Among benign neoplasms in both groups teratomas were predominant, being especially frequent in G1 – 82% of benign neoplasms (in G2 – 35.7%). However, CX-6258 among non-neoplastic lesions in G1 functional cysts and endometriosis were observed with the same frequency (42%), but in G2 functional cysts prevailed – 71.2%. In G1 laparoscopy was performed in 39.1% of patients, and the most frequent procedures were various preservative ovarian operations – 36.9%; in G2 laparoscopy was performed rarely, in 14% of patients, while in this group hysterectomy with bilateral adnexectomy was performed mostly (38.8%).\n\nConclusions: 1. Adnexal

tumours of women at reproductive age, in comparison to adnexal tumours of menopausal women, are characterized by a lower frequency of malignant neoplasms and a higher percentage of benign neoplasms and non-neoplastic lesions. 2. Patient’s age still remains one of the main factors influencing decisions concerning the type and extent of adnexal tumour treatment. 3. TVU is an effective diagnostic tool of pathological adnexal lesions allowing one to obtain high coincidence of preliminary diagnoses with final postoperative diagnoses.”
“Achromatopsia (ACHM) is

a severe retinal disorder characterized by an inability to distinguish colors, impaired visual acuity, photophobia and nystagmus. This rare autosomal recessive disorder of the cone photoreceptors is best known for its increased frequency due to founder effect in the Pingelapese population of the Pacific islands. Sixteen patients from Newfoundland, Canada were sequenced for mutations in the four known achromatopsia genes CNGA3, CNGB3, GNAT2, BVD-523 nmr and PDE6C. The majority (n = 12) of patients were either homozygotes or compound heterozygotes for known achromatopsia alleles, two in CNGB3 (p.T383fsX and p.T296YfsX9) and three in CNGA3 (p.R283Q, p.R427C and p.L527R). Haplotype reconstruction showed that recurrent mutations p.T383fsX and p.L527R were due to a founder effect. Aggregate data from exome sequencing, segregation analysis and archived medical records support a rediagnosis of Jalili syndrome in affected siblings (n = 4) from Family 0094, which to our knowledge is the first family identified with Jalili Syndrome in North America.

Histological studies of the outer and inner layers of the eye showed that there were no changes. This agent is recommended for clinical trials.”
“CD4 T cells are crucial for enhancing B cell-mediated immunity, supporting the induction of high-affinity, class-switched antibody responses, long-lived plasma cells, and memory B cells. Previous studies showed that the immune response to Borrelia burgdorferi FK228 supplier appears to lack robust T-dependent B cell responses, as neither long-lived plasma cells nor memory B cells form for months after infection, and nonswitched IgM antibodies are produced continuously

during this chronic disease. These data prompted us to evaluate the induction and functionality of B. burgdorferi infection-induced CD4 T-FH cells. We report that CD4 T cells were effectively primed and T-FH cells induced after B. burgdorferi infection. These CD4 T cells contributed to the control of B. burgdorferi burden and supported the induction of B. burgdorferi-specific IgG responses. However, while affinity maturation of antibodies against a prototypic T-dependent B. burgdorferi protein, Arthritis-related protein (Arp), were initiated, these increases were reversed later, coinciding AZD1480 JAK/STAT inhibitor with the previously observed involution of germinal centers. The cessation of affinity maturation was not due to the appearance of inhibitory or exhausted CD4 T cells or a strong induction of regulatory T cells. In vitro T-B cocultures

demonstrated that T cells isolated from B. burgdorferi-infected but not B. burgdorferi-immunized mice supported the rapid differentiation of B cells into antibody-secreting plasma cells rather than continued proliferation, mirroring the induction of rapid short-lived instead of long-lived T-dependent antibody responses in vivo. The data further suggest that B. burgdorferi infection drives the humoral response away from protective, high-affinity, and long-lived antibody responses and toward the rapid induction of strongly induced, short-lived antibodies of limited efficacy.”
“Elderly

subjects are characterized by a high prevalence of diabetes and clinical frailty. This study aimed to examine the predictive role of clinical frailty on long-term 10058-F4 order mortality in elderly subjects with and without diabetes. The study evaluated mortality after 12-year follow-up in 188 subjects with diabetes and 1,100 subjects without diabetes selected in 1992. Clinical frailty was assessed according to the “Frailty Staging System” and stratified in tertiles. After 12-year follow-up, mortality was 50.5 % in subjects without and 66.5 % in subjects with diabetes (p < 0.001). With increasing frailty, mortality increases from 57.9 to 79.0 % (p for trend < 0.01) in subjects without and from 75.9 to 87.0 % in subjects with diabetes (p for trend < 0.001). Multivariate analysis shows that both diabetes (hazard ratio = 1.38; 95 % confidence interval = 1.12-1.

This study investigated whether MTHFR C677T, A1298C

and G1793A polymorphisms modified clear cell renal cell carcinoma (CCRCC) risk independently as well as in combination with serum total homocysteine (Hcy) and folate levels.\n\nMaterials and methods: A case control study of 152 cases (men) and 304 age-matched healthy controls was conducted in one geographical area of Iran. Genotyping of MTHFR gene polymorphisms was carried out using a polymerase chain reaction restriction fragment length polymorphism technique. Serum levels of total Hcy, folate and vitamin B12 were also determined.\n\nResults: The MTHFR 677T and 1298C allele frequencies were 42.8 and 47.4% in cases, compared with 33.7 and 33.1% in controls. After controlling for confounding factors, a significant increase in CCRCC risk was found among carriers of the 677CT genotype see more selleck chemicals compared with those with the 677CC genotype (odds ratio 2.21, 95% confidence interval 1.31-3.76), with a significant trend (P=0.014). Statistically significant

odds ratios were also found in patients homozygous for MTHFR C677T, who have a 1.58-fold higher risk of developing CCRCC (95% confidence interval = 1.21-2.44; P=0.024). Compared with the MTHFR 677CC genotype, the odds ratio (95% confidence interval) for the MTHFR 677TT genotype was 6.18 (95% confidence interval = 4.75-8.34) for stage IV cancer and 4.68 (95% confidence interval = 2.72-6.54) for grade 3 CCRCC (both P=0.0001). After adjustment for selected variants, the MTHFR 1298AC CCI-779 mw genotype showed a significantly increased risk of CCRCC compared with the wild-type (odds ratio = 3.71, 95% confidence interval = 2.22-5.33; P=0.001), and the 1298C allele carrier showed a positive association with the risk of CCRCC compared with the wild-type (odds

ratio = 3.9, 95% confidence interval = 2.55-6.02; P=0.001). Furthermore, subjects carrying at least one copy of the variant allele showed a 4.4 times increased risk of developing CCRCC than their control counterparts (odds ratio = 4.40, 95% confidence interval = 2.41-6.72; P=0.0001). There was not a significant interaction between MTHFR polymorphisms and serum levels of total Hcy and folate in increasing the risk of CCRCC.\n\nConclusions: Our results provide evidence that the MTHFR polymorphisms might contribute to increased CCRCC risk in men. (C) 2011 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.”
“SETTING: Kinshasa, Democratic Republic of Congo.\n\nOBJECTIVE: To identify programmatic interventions for improved survival in patients receiving treatment for tuberculosis (TB) at primary care clinics.\n\nDESIGN: Retrospective cohort of adult patients initiating anti-tuberculosis treatment between January 2006 and May 2007.

Iloprost-induced suppression of PAR-3 was reversed with a myristoylated inhibitor of protein kinase A and mimicked by phorbol ester, an inducer of cyclooxygenase-2. In separate studies, iloprost attenuated PAR-3 promoter activity and prevented binding of nuclear factor of activated T cells (NFAT2) to the human PAR-3 promoter in a chromatin immunoprecipitation assay. Accordingly, PAR-3 expression was suppressed by the NFAT

inhibitor cyclosporine A or NFAT2 siRNA. Thus human www.selleckchem.com/products/dorsomorphin-2hcl.html PAR-3, unlike PAR-1, is regulated post-transcriptionally via the mRNA-stabilizing factor HuR, whereas transcriptional control involves NFAT2. Through modulation of PAR-3 expression, prostacyclin and NFAT inhibitors may limit proliferative and inflammatory responses to thrombin after vessel injury.”
“MicroRNAs (miRNAs) which regulate gene expression stability displayed an aberrant expression profile in ectopic endometrium (ECE) as compared to eutopic (EUE) and normal endometrium (NE). We assessed the expression of miR-17-5p, miR-23a, miR-23b mid miR-542-3p, their predicted target genes, steroidogenic acute regulatory protein, aromatase and cyclooxygenase-2, and influence

of ovarian steroids PCI-32765 chemical structure on their expression in endometrial stromal (ESC) and glandular epithelial cells (GEC). The results indicated a lower expression of miR-23b and miR-542-3p and higher level of miR-17-5p in paired ECE and EUE as compared with NE. These levels were elevated and inversely correlated with the level of expression of their respective target genes in ECE. The expression of these miRNAs

and genes was differentially regulated by 17 beta- estradiol, medroxyprogesterone acetate, ICI-182780 and RU-486, or their respective combinations in ESC and GEC. We concluded that altered expression of specific miRNAs in ECE, affecting the stability of their target genes expression has direct implications in pathogenesis of endometriosis.”
“Objective: To describe the observed frequency of oculo-auriculo-vertebral spectrum (OAVS) in patients with dermolipoma.\n\nDesign: Retrospective case series.\n\nParticipants: Patients with primary presentation of ocular dermolipoma.\n\nMethods: All patients with ocular dermolipoma selleck inhibitor or lipodermoid were identified from the authors’ clinical databases from 1990 to 2011 inclusive. Case notes were reviewed retrospectively for the gender and age of presentation, the laterality of dermolipoma, and features of OAVS.\n\nMain Outcome Measures: The frequency of OAVS in patients with dermolipoma, the severity of the OAVS phenotype, and other concurrent ophthalmic features observed.\n\nResults: Thirty-four patients (24 females) presented with dermolipoma at ages ranging from 6 months to 57 years (mean, 20 years; median, 16 years). Twelve patients (35.5%) had features of OAVS (10 patients with dermolipoma had ipsilateral OAVS and 2 patients had contralateral features of OAVS).

For example, excess oestrogen or cortisol exposure in the womb or during early life resulted in an increased susceptibility to obesity and metabolic syndrome later in life. This review focuses on the effects of environmental chemicals, such WH-4-023 as the model obesogen, tributyltin (TBT), on the development of obesity. We discuss evidence linking the obesogenic effects of TBT with its ability to activate the peroxisome proliferator-activated receptor gamma and stimulate adipogenesis. We also discuss how TBT and other environmental obesogens may lead to epigenetic changes that predispose exposed individuals to subsequent

weight gain and obesity. This suggests that humans, who have been exposed to obesogenic chemicals during

sensitive windows of development, might be pre-programmed to store increased amounts of fat, resulting in a lifelong struggle to maintain a healthy weight and exacerbating the deleterious effects of poor diet and inadequate exercise.”
“Background:\n\nSqualor is an epiphenomenon associated with a range of medical and psychiatric conditions. People living in squalor are not well described in the literature, and prior work has indicated that up to 50% do not have a psychiatric diagnosis. Squalor appears to be linked with neuropsychological deficits suggestive of the presence of impaired executive function. We present a case series of people living in squalor that examines their neuropsychological assessment HSP990 and diagnosis.\n\nMethods:\n\nClinicians from local health networks were invited to submit neuropsychological reports of patients living

in squalor. These selected reports were screened to ensure the presence of squalor and a comprehensive examination of a set of core neuropsychological domains. Assessments were included if basic attention, visuospatial reasoning, information processing speed, memory www.selleckchem.com/products/pha-848125.html function, and executive function were assessed.\n\nResults:\n\nSixty-nine neuropsychological reports were included. Sixty-eight per cent of the group underwent neuropsychological assessments during an inpatient admission. For participants where it was available (52/69), the mean Mini-Mental State Examination score was 25.29 (SD = 3.96). Neuropsychological assessment showed a range of cognitive impairment with nearly all the participants (92.75%) found to have frontal executive dysfunction. One person had an unimpaired neuropsychological assessment. Results indicated that dorsolateral prefrontal rather than orbitofrontal functions were more likely to be impaired. Vascular etiology was the most common cause implicated by neuropsychologists.\n\nConclusions:\n\nFrontal executive dysfunction was a prominent finding in the neuropsychological profiles of our sample of squalor patients, regardless of their underlying medical or psychiatric diagnoses.

With the increase of irradiation dose, the content of linolenic acid reduced in both cultivars, whereas the content of linoleic acid increased. As distinct from cv. Vitaminnaya, in cv. Zyryanka irradiation increased the content of linoleate and reduction

in the level of oleate. The conclusion is that pre-sowing gamma-irradiation of sea buckthorn seeds could affect substantially on the basic quantitative indices characterizing seeds of M(1) plants. The range and direction of induced changes depend on both the dose of irradiation and cultivar genotype.”
“Objective: Cardiac operations with cardiopulmonary bypass can be associated with SRT1720 solubility dmso postoperative lung dysfunction. The present study investigates the incidence of postoperative hypoxia after cardiac surgery, its relationship with the length of intensive care unit stay, and the role of body mass index in determining postoperative hypoxia and intensive care unit length of stay. Design: Single-center, retrospective study. Setting: University Hospital. Patients. Adult patients ( N = 5,023) who underwent cardiac surgery with CPB. Interventions: None. Measurements and main results: According to the body mass index, patients were attributed to six classes, and obesity was defined as a body mass index

bigger than 30. POH was defined as a PaO2/FiO2 ratio smaller than 200 at the arrival in the intensive care unit. Postoperative hypoxia was detected in 1,536 patients ( 30.6%). Obesity was

an independent risk factor for postoperative hypoxia ( odds ratio 2.4, 95% confidence interval 2.05-2.78, P = 0.001) and postoperative hypoxia was a determinant of intensive care unit length of stay. buy PF-562271 There is a significant inverse correlation between body mass index and PaO2/FiO2 ratio, with the risk of postoperative hypoxia increasing by 1.7 folds per each incremental body mass index class. The relationship between body mass index and intensive care unit length of stay is U-shaped, with longer intensive care unit stay in underweight patients and moderate-morbid obese patients. Conclusions: Obese Cilengitide patients are at higher risk for postoperative hypoxia, but this leads to a prolonged intensive care unit stay only for moderate-morbid obese patients. Obese patients are partially protected against the deleterious effects of hemodilution and transfusions. Underweight patients present the “paradox” of a better lung gas exchange but a longer intensive care unit stay. This is probably due to a higher severity of their cardiac disease.”
“Until the early 1970s, successful treatment with the Begg technique and the Tweed edgewise technique required tedious wire bending. The introduction of Andrews’ straight wire appliance changed that, and it was one of the most significant contributions in the history of orthodontics. The straight wire appliance significantly reduced the amount of wire bending and also brought along other options in treatment mechanics.

In conclusion, the presented study indicates that using sucrose produces scaffolds showing better pore interconnectivity and cell infiltration than scaffolds made by using a salt process. In addition, in vivo experiments showed that hydroxyapatite accelerates bone reconstruction on implanted scaffolds. Accordingly, our scaffold will be expected to have a useful application in

bone www.selleckchem.com/products/napabucasin.html reconstruction. (C) 2015 Elsevier B.V. All rights reserved.”
“Benzimidazole and indane are the two key fragments in our potent and selective MCH-1 receptor (MCHR1) antagonists. To identify novel linkers connecting the two fragments, we investigated diamino-cycloalkane-derived analogs and discovered highly potent antagonists with cis-1,4-diaminocyclohexane as a unique spacer in this chemical class. Structural overlay suggested that cis-1-substituted-4-aminocyclohexane functions as a bioisostere of 4-substituted-piperidine and that the active conformation

adopts a U-shaped orientation. (C) 2013 Elsevier Ltd. All rights reserved.”
“BACKGROUND: CP-868596 inhibitor Glutamate is a major excitatory neurotransmitter, while gamma-amino-butyric acid (GABA) is a predominant inhibitory neurotransmitter in the central nervous system. This GABA-glutamate imbalance is thought to play a role in the development of anxiety. Acamprosate calcium is thought to restore this chemical imbalance in alcohol withdrawal.\n\nOBJECTIVE: To examine acamprosate calcium as augmentation therapy for treatment of anxiety.\n\nMETHODS: This 8-week, open-label study was designed to evaluate patients with anxiety who were stable on current medications (selective serotonin-reuptake inhibitors and serotonin-norepinephrine-reuptake Selleck AZD4547 inhibitors) but still symptomatic. Acamprosate

was dosed at 1998 mg/day. Assessments included the Hamilton Rating Scale for Anxiety (HAM-A) and the Hospital Anxiety and Depression Scale.\n\nRESULTS: Thirteen patients enrolled in the study and received study medication. Acamprosate reduced anxiety symptoms (mean HAM-A score reduction to 8.87 from a baseline of 20). Sixty-two percent of patients receiving acamprosate achieved remission (HAM-A score <= 7). Modal dose was 1998 mg/day (range 999-1998). The most commonly reported adverse events were nausea (n = 1), gastrointestinal upset (n = 1), and increased dream activity (n = 1).\n\nCONCLUSIONS: Acamprosate calcium may be effective augmentation therapy in patients with treatment-resistant anxiety.”
“Background: In a previous study, latitude was positively associated with EpiPen prescription rates.\n\nObjective: To determine whether a similar geographic difference exists for emergency department (ED) visits for acute allergic reactions (including anaphylaxis).\n\nMethods: We combined National Hospital Ambulatory Medical Care Survey data for ED visits to noninstitutional hospitals from 1993 to 2005. Acute allergic reactions were identified by International Classification of Diseases, Ninth Revision, Clinical Modification codes 995.

In the past decades, many interventional approaches have been taken in an attempt to restore functional cardiomyocytes in an injured heart. Promising advances have been made in directly

reprogramming mouse fibroblasts into cardiomyocyte-like cells both in vitro and in vivo. Recently, several AZD9291 clinical trial different methods have been reported, including the use of transcription factors and microRNAs. In addition, two in vivo studies showed heart function improvements with delivery of reprogramming factors in mouse infarcted hearts. Although many of these studies are at early preliminary stages, the plausibility of applying cardiac reprogramming on patients for regenerative purposes is exciting, and may lead to numerous novel research directions in the field. This review will discuss the history, recent advances

and challenges of cellular reprogramming, specifically in the field of cardiac regeneration.”
“Polycaprolactone (PCL) and PCL/gelatin membranes and films were fabricated by electrospinning and learn more solvent casting. A systematic analysis of the morphology evolution, as degradation occurred, was made to separate the contribution of fiber nanotexture and gelatin biochemical signal on cell adhesion and proliferation. Field emission scanning electron microscope was used to assess the contribution of platform architecture on the gelatin degradation by the morphological changes that occurred at different times. The evaluation of human mesenchymal stem cells’ biocompatibility confirmed the role of architecture and chemical composition on cell response. The nanostructured surfaces positively affected the cell recognition by increasing the surface area. The gelatin embedded in the PCL matrix of the nanofibers improved the cell/material interaction and provided support to the proliferation. The PCL/gelatin electrospun membranes showed an increase in mineralization when conditioned in osteogenic medium; this system has promise for long-term in vitro investigations of bone regeneration.”
“Norovirus (NV) is the most common causative agent of nonbacterial gastroenteritis.

Reports of surveillance of NV in facilities NVP-BSK805 that reported outbreaks are frequently found in publications, but reports of that in facilities without outbreaks are not found. We investigated the molecular epidemiology of NV isolates derived from asymptomatic food handlers working at a nonoutbreak food catering facility in Hokkaido, Japan, from February to March in 2005 and January to February in 2006 by RNA polymerase gene sequencing. Approximately 12% (20/159) of the samples were positive for genogroup II (GII; 10.1% in 2005 and 14.2% in 2006). The GI genotypes were not detected. The data from the phylogenetic analysis indicated that, among the 20 strains detected, 13 strains were GII/genotype 2 (GII/2), two were GII/3, three were GII/8, and two were GII/12.

(C) 2010 Elsevier Masson SAS. All rights reserved.”
“The authors identify 2 major types of statistical data from which semantic representations can be learned. These are denoted as experiential data and

distributional data. Experiential data are derived by way of experience with the physical world and comprise the sensory-motor data obtained through sense receptors. Distributional data, by contrast, describe the statistical distribution of words across spoken and written language. The authors claim that experiential and distributional data represent distinct data types and that each is a nontrivial source of semantic information. Their theoretical proposal is that human semantic representations are derived from an optimal statistical combination Ricolinostat solubility dmso of these 2 data types. Using a Bayesian probabilistic model, they demonstrate how word meanings can be learned

by treating experiential and distributional data as a single joint distribution and learning the statistical structure that underlies it. The semantic representations that are learned in this manner are measurably more realistic-as verified by comparison to a set of human-based measures of semantic representation-than those available from either data type individually or from both sources independently. This is not a result of merely using quantitatively more data, but rather it is because experiential and distributional data are qualitatively distinct, yet intercorrelated, types of data. The semantic representations that are learned are based on DMH1 inhibitor statistical structures that exist both within and between the experiential and distributional data types.”
“Study

Objective To estimate the 12-month prevalence of cognitive-enhancing drug use. Design Paper-and-pencil questionnaire Navitoclax clinical trial that used the randomized response technique. Setting University in Mainz, Germany. Participants A total of 2569 university students who completed the questionnaire. Measurements and Main Results An anonymous, specialized questionnaire that used the randomized response technique was distributed to students at the beginning of classes and was collected afterward. From the responses, we calculated the prevalence of students taking drugs only to improve their cognitive performance and not to treat underlying mental disorders such as attention-deficithyperactivity disorder, depression, and sleep disorders. The estimated 12-month prevalence of using cognitive-enhancing drugs was 20%. Prevalence varied by sex (male 23.7%, female 17.0%), field of study (highest in students studying sports-related fields, 25.4%), and semester (first semester 24.3%, beyond first semester 16.7%). To our knowledge, this is the first time that the randomized response technique has been used to survey students about cognitive-enhancing drug use.