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48 downloads
54 views

Aim. Poor sleep quality due to pain has been reported among opioid-dependent male patients on methadone maintenance therapy (MMT) but objective pain data are lacking. This study aimed to investigate the rate of pain-sensitivity using cold pressor test (CPT) and...

["Anaesthesiology and Pain Management","Drugs and Devices","Internal Medicine","Nursing","Pharmacology"]
doi:10.7717/peerj.839
62 downloads
102 views

The demand for bioenergy caused an increased use of logging residues, branches and treetops that were previously left on the ground after harvesting. Residues are stored outdoors in piles and it is unclear to what extent fungi transform this material. Our objective...

["Agricultural Science","Ecosystem Science","Mycology"]
doi:10.7717/peerj.887
130 downloads
450 views

Whale sharks Rhincodon typus are globally threatened, but a lack of biological and demographic information hampers an accurate assessment of their vulnerability to further decline or capacity to recover. We used laser photogrammetry at two aggregation sites to...

["Conservation Biology","Ecology","Marine Biology","Zoology"]
doi:10.7717/peerj.886
52 downloads
71 views

Objective. Relationship, vitality, and conscientiousness are three fundamental virtues that have been recently identified as important individual differences to health, well being, and positive development. This cross-sectional study attempted to explore the relationship...

["Epidemiology","Psychiatry and Psychology","Public Health"]
doi:10.7717/peerj.883
119 downloads
246 views

Despite the long debate of whether or not multiple mating benefits the offspring, studies still show contradictory results. Multiple mating takes time and energy. Thus, if females fertilize their eggs with a single mating, why to mate more than once? We investigated...

["Biodiversity","Conservation Biology","Genetics","Marine Biology","Molecular Biology"]
doi:10.7717/peerj.880
67 downloads
182 views

Playbacks of visual or audio stimuli to wild animals is a widely used experimental tool in behavioral ecology. In many cases, however, playback experiments are constrained by observer limitations such as the time observers can be present, or the accuracy of observation....

["Animal Behavior"]
doi:10.7717/peerj.877
3,316 downloads
17,306 views

Diplodocidae are among the best known sauropod dinosaurs. Several species were described in the late 1800s or early 1900s from the Morrison Formation of North America. Since then, numerous additional specimens were recovered in the USA, Tanzania, Portugal, and...

["Paleontology","Taxonomy"]
doi:10.7717/peerj.857
57 downloads
93 views

Oxidative stress is involved in cancer development. Hydrogen (H2) is a potent antioxidant and exhibits anti-inflammatory and potentially anticancer-like activities. This study aimed to investigate the role of H2 incombination with 5-fluorouracil (5-FU) in cancer...

["Cell Biology","Diabetes and Endocrinology","Nutrition","Oncology","Respiratory Medicine"]
doi:10.7717/peerj.859
107 downloads
367 views

Stable associations between bacterial endosymbionts and insect hosts provide opportunities to explore genome evolution in the context of established mutualisms and assess the roles of selection and genetic drift across host lineages and habitats. Blochmannia, obligate...

["Evolutionary Studies","Genomics","Microbiology"]
doi:10.7717/peerj.881
554 downloads
146 views

Sloths are considered to have one of the lowest mass-specific metabolic rates of any mammal and, in tandem with a slow digestive rate, have been theorized to have correspondingly low rates of ingestion. Here, we show in a study conducted over five months, that...

["Animal Behavior","Ecology","Zoology"]
doi:10.7717/peerj.875
55 downloads
238 views

Reports on reddish carotenoid-based ornaments in female three-spined sticklebacks (Gasterosteus aculeatus) are few, despite the large interest in the species’ behaviour, ornamentation, morphology and evolution. We sampled sticklebacks from 17 sites in north-western...

["Animal Behavior","Aquaculture, Fisheries and Fish Science","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.872
55 downloads
89 views

Background. Some individuals with visible differences have been found to experience psychosocial adjustment problems that can lead to social anxiety and isolation. Various models of psychosocial intervention have been used to reduce social anxiety and appearance...

["Evidence Based Medicine","Nursing","Psychiatry and Psychology"]
doi:10.7717/peerj.870
75 downloads
173 views

Background. Self-regulation is the procedure implemented by an individual striving to reach a goal and consists of two inter-related strategies: assessment and locomotion. Moreover, both subjective and psychological well-being along exercise behaviour might also...

["Psychiatry and Psychology","Public Health"]
doi:10.7717/peerj.847
121 downloads
211 views

Background/Aim. Exercise designed to condition the lumbar extensor musculature is often included in resistance training (RT) programs. It is suggested that deconditioning of this musculature may be linked to low back pain. Thus effective means of conditioning these...

["Anatomy and Physiology","Kinesiology","Orthopedics"]
doi:10.7717/peerj.878
60 downloads
90 views

Hypoxia and hyperthermia are two connected consequences of the ongoing global change and constitute major threats for coastal marine organisms. In the present study, we used a proteomic approach to characterize the changes induced by hypoxia in the great scallop,...

["Aquaculture, Fisheries and Fish Science","Ecology","Environmental Sciences","Marine Biology","Molecular Biology"]
doi:10.7717/peerj.871

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