Design of customizable personal protective equipment for 3-D printing: Performance evaluation of N95 respirators using computational fluid dynamics.

3-D printing the structural components of facemasks and personal protective equipment (PPE) based on 3-D facial scans creates a high degree of customizability. As a result, the facemask fits more comfortably with its user's specific facial characteristics, filters contaminants more effectively with its increased sealing effect, and minimizes waste with its cleanable and reusable plastic structure compared to other baseline models. In this work, 3-D renditions of the user's face taken with smartphone laser scanning techniques were used to generate customized computer-aided design (CAD) models for the several components of an N95 respirator, which are each designed with considerations for assembly and 3-D printing constraints.

Advanced Practice Registered Nurse Full Practice Authority, Provider Supply, and Health Outcomes: A Border Analysis.

Due to a growing physician shortage, patients have difficulty accessing primary care. In an effort to expand access and support patient health, many states are reducing barriers for advanced practice registered nurses to provide primary care without physician collaboration. Maryland provides an interesting case study.

Differences in Habitual and Maximal Gait Velocity Across Age Groups: A Cross-Sectional Examination.

Prior work, primarily focusing on habitual gait velocity, has demonstrated a cost while walking when coupled with a cognitive task. The cost of dual-task walking is exacerbated with age and complexity of the cognitive or motor task. However, few studies have examined the dual-task cost associated with maximal gait velocity.

Medicaid expansion and opioid supply policies to address the opioid overdose crisis.

The opioid overdose crisis remains of critical concern after historic increases in overdose mortality in the United States between 2020 and 2021. Improving access to buprenorphine -a partial opioid agonist and one of three FDA-approved medications for opioid use disorder (OUD) treatment- and reducing inappropriate opioid prescriptions may help curb mortality. Here, we examined the impact of Medicaid expansion and pain management clinic laws on opioid prescription rates and buprenorphine availability.

Suspended sediment releases in rivers: Toward establishing a safe sediment dose for construction projects.

The harmful effects of suspended sediment (SS) exposures on aquatic ecosystems have been well documented. Integrating this knowledge into the management plans of in-stream construction projects that cause SS releases remains challenging. Commonly, these projects have fixed scopes that require decisions about trade-offs between elevated SS concentrations (SSC, mg∙L) and duration of exposure (DoE, h).

A categorical assessment of dose-response dynamics for managing suspended sediment effects on salmonids.

Many studies have investigated the consequences of exposure to fine-grained suspended sediments (SS) on aquatic organisms. Exposure has two components-concentration and duration-and can be expressed as dose, where we define suspended sediment dose (SSD: mg·h·L) as the product of suspended sediment concentration (SSC: mg·L) and duration of exposure (DoE: h). We evaluated these three measurement endpoints for managing SS effects on salmonids by assembling and analyzing all published SS dose-response observations.

Prevalence of and Relationship Between Caregiver Adversity Scores and Child Client Eco-systemic Structural Family Therapy (ESFT) Outcome: Implications for Family Based Mental Health Services (FBMHS).

Adverse childhood experiences, especially with primary caregivers, impacts the mental, physical, and relational health of individuals (Felitti et al. in Am J Prev Med, 14(4):245-258. https://doi.

Burnout and Turnover Intention Among Peer Providers and Other Providers of Mental Health Services in a Rural Two-County Area.

Peer providers in the mental health field, having their own lived experience with mental illness, use their personal experience to assist the consumers of their services. Given high burnout rates in the mental health field, there have been two prior investigations of burnout among peer providers. The present study extends those prior investigations to a sample of peer providers working in community mental health programs in a rural area of the United States.

And Now for Some Good News: Trends in Student Retention at Community Colleges, 2004-2017.

Community colleges have been under pressure for years to improve retention rates. Considering well-publicized reductions in state funding during and after the Great Recession, progress in this area is unexpected. And yet this is precisely what we find.

Evaluating the impacts of on-site sanitation facilities and saltwater intrusion on shallow groundwater quality in peri-urban communities of Cape Coast, Ghana.

Populations in peri-urban communities of Sub-Saharan Africa frequently depend on shallow aquifers and on-site sanitation facilities concurrently. Routinely, domestic wells end up too close to toilet facilities, risking groundwater contamination. For coastal communities, saltwater intrusion adds to the risk of groundwater contamination.

Efficacy of ketamine for major depressive episodes at 2, 4, and 6-weeks post-treatment: A meta-analysis.

Rationale: Major depressive episodes are severe mood episodes which occur both in major depressive disorder and bipolar I and II disorder. Major depressive episodes are characterized by debilitating symptoms that often persist and interfere with typical daily functioning. Various treatments exist for major depressive episodes; however, most primary pharmacologic treatments may take weeks to months to provide relief from depressive symptoms.

Characteristics of Successful Health Alliance Strategies: Evidence From Rural Healthcare Experiences.

The formation of regional strategic alliances continues to be a well-evidenced response to a varying array of market forces that are challenging the ability of healthcare institutions to realize their missions. Organizations that serve rural communities especially feel pressure to initiate the formation of these collaborative arrangements.In response to concerns of Pennsylvania legislators regarding the impact of these alliances on rural healthcare entities, the Center for Rural Pennsylvania funded a study of outcomes of regional strategic alliances involving rural healthcare institutions.

Ambulatory Arterial Stiffness Index and circadian blood pressure variability.

The manner in which the circulation accommodates each heartbeat may underlie blood pressure (BP) variability. We used the Ambulatory Arterial Stiffness Index (AASI), which reflects this ventricular-vascular interaction, in untreated individuals with prehypertension and Stage 1 hypertension to evaluate two different measures of BP variability using the brachial pulse pressure (PP) obtained over 24 hours. We enrolled 64 untreated adults with systolic BP between 130-159 mm Hg and diastolic values of <100 mm Hg who underwent 24-hour ambulatory BP monitoring with calculation of 24-hour AASIs.

Distinguishing between invasions and habitat changes as drivers of diversity loss among California's freshwater fishes.

Many of California's native populations of freshwater fish are in serious decline, as are freshwater faunas worldwide. Habitat loss and alteration, hydrologic modification, water pollution, and invasions have been identified as major drivers of these losses. Because these potential causes of decline are frequently correlated, it is difficult to separate direct from indirect effects of each factor and to appropriately rank their importance for conservation action.

Cancer detection: the educational role of the athletic trainer.

Objective: We found in an earlier study that while 26% of athletic trainers had worked with athletes with cancer, only 8% had taught their athletes self-examination procedures. In an attempt to examine why athletic trainers do not teach their athletes self-examination procedures, we investigated athletic trainers' knowledge of breast and testicular cancer risk factors and detection techniques.

Design And Setting: One hundred researcher-developed questionnaires were distributed at the 1994 National Athletic Trainers' Association Annual Meeting.

Tridimensional personality traits of college student marijuana users.

The present study examined the possibility that marijuana use among college students might be associated with particular personality traits. College student volunteers (N = 176) were administered the Tridimensional Personality Questionnaire and a drug-use questionnaire. Analysis of variance showed that the mean score on Novelty Seeking was significantly higher and on Persistence significantly lower among lifetime marijuana users than among nonmarijuana using peers.

Sex differences in the acquisition of a radial maze task in the CD-1 mouse.

The purpose of the present study was to investigate spatial processing performance in male and female CD-1 mice. A substantial literature supports the existence of significant sex differences in both human and rodent models of learning and memory. The nature of these differences is dependent upon the parameters of the task, species and strain of animal.

Poor, ill, and sometimes abandoned: tubercular children in Buenos Aires, 1880-1920.

Ill children with chronic diseases, such as tuberculosis, have faced difficult lives. Poverty proved a factor in their susceptibility to disease, their abandonment, and their treatment. When public health policies in Buenos Aires shifted from ignoring children to viewing them as victims who needed protection, government agencies, charitable organizations, public schools, and hospitals developed special programs that emphasized both prevention and cure of childhood tuberculosis.

Anxiety in mice following acute aspartame and ethanol exposure.

The purpose of the present study was to look at the effect of aspartame on the anxiolytic actions of ethanol. Previous research has shown that ethanol reliably produces an anxiolytic effect on rodent's plus-maze performance. There have been anecdotal reports that aspartame increases anxiety.