Results 11 to 20 of about 26,693 (188)

Shift work disorder in nurses--assessment, prevalence and related health problems. [PDF]

open access: yesPLoS ONE, 2012
BACKGROUND: This study investigates the prevalence of symptoms of shift work disorder in a sample of nurses, and its association to individual, health and work variables. METHODOLOGY/PRINCIPAL FINDINGS: We investigated three different shift work disorder
Elisabeth Flo   +6 more
doaj   +1 more source

How are normal sleeping controls selected? A systematic review of cross-sectional insomnia studies, and a standardised method to select healthy controls for sleep research [PDF]

open access: yes, 2008
There appears to be some inconsistency in how normal sleepers (controls) are selected and screened for participation in research studies for comparison with insomnia patients.
Louise Beattie   +59 more
core   +5 more sources

DSM-5 criteria for substance use disorders: recommendations and rationale. [PDF]

open access: yes, 2013
Since DSM-IV was published in 1994, its approach to substance use disorders has come under scrutiny. Strengths were identified (notably, reliability and validity of dependence), but concerns have also arisen.
Auriacombe, Marc   +11 more
core   +1 more source

Caffeine, alcohol, khat, and tobacco use during pregnancy in Butajira, South Central Ethiopia.

open access: yesPLoS ONE, 2020
BACKGROUND:The use of excessive caffeine and consumption of alcohol, cigarette, and khat during pregnancy can result in adverse health effects on the fetus.
Alehegn Aderaw Alamneh   +2 more
doaj   +1 more source

Current Medical Research Winter 2008–Spring 2009 [PDF]

open access: yes, 2009
Note that the “Current Medical Research” feature focuses on issues relevant to natural family planning and the beginning of life. This piece is complemented by medical reviews published in The National Catholic Bioethics Quarterly, which focus more on ...
Fehring, Richard
core   +2 more sources

The effects of memantine on prepulse inhibition. [PDF]

open access: yes, 2009
Reduced prepulse inhibition (PPI) of startle provides evidence of deficient sensorimotor gating in several disorders, including schizophrenia. The role of NMDA neurotransmission in the regulation of PPI is unclear, due to cross-species differences in the
Bergsma, F   +4 more
core   +2 more sources

Adolescent brain cognitive development (ABCD) study: Overview of substance use assessment methods. [PDF]

open access: yes, 2018
One of the objectives of the Adolescent Brain Cognitive Development (ABCD) Study (https://abcdstudy.org/) is to establish a national longitudinal cohort of 9 and 10 year olds that will be followed for 10 years in order to prospectively study the risk and
Bartsch, Hauke   +9 more
core   +2 more sources

Factors Associated with Premenstrual Syndrome and its Different Symptom Domains among University Students in Lebanon [PDF]

open access: yes, 2018
Objectives: This study aimed to estimate the prevalence and examine the characteristics of premenstrual syndrome (PMS) among female university students.
Akiki, Zeina   +4 more
core   +1 more source

Caffeine Use and Associations with Sleep in Adolescents with and without Attention-Deficit/Hyperactivity Disorder (ADHD) [PDF]

open access: yes, 2020
The objective of this study was to compare caffeine consumption in the morning, afternoon, and evening in adolescents with and without Attention Deficit/Hyperactivity Disorder (ADHD) and examine associations with sleep functioning.
Cusick, Caroline N
core   +1 more source

Why do you drink caffeine? The development of the Motives for Caffeine Consumption Questionnaire (MCCQ) and its relationship with gender, age and the types of caffeinated beverages [PDF]

open access: yes, 2017
Caffeine is the most popular psychoactive substance that is consumed worldwide. As motives influence behavior, investigation of the motivational background of caffeine consumption should help provide a better understanding of the popularity of ...
A Crippa   +76 more
core   +4 more sources

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