Which Is More Important for Health: Sleep Quantity or Sleep Quality?

Averageness or symmetry: which is more important for facial attractiveness?

Effects of averageness and symmetry on the judgment of facial attractiveness were investigated using a generalized Procrustes method and multiple regression analyses. Participants (n=114) rated attractiveness of 96 photographs of faces with neutral expressions. Through a generalized Procrustes method, the faces and their mirror-reversed versions were represented as points on a hyperplane. Both ...

Education and income: which is more important for mental health?

STUDY OBJECTIVE To assess which indicators of socioeconomic status are associated with an increased prevalence of common mental disorders. DESIGN Cross sectional household survey. SETTING Santiago, Chile. PARTICIPANTS Random sample of adults aged 16-65 residing in private households. MAIN RESULTS Less education (odds ratio 2.44, 95% confidence intervals 1.50 to 3.97), a recent income de...

Why sleep is important for health: a psychoneuroimmunology perspective.

Sleep has a critical role in promoting health. Research over the past decade has documented that sleep disturbance has a powerful influence on the risk of infectious disease, the occurrence and progression of several major medical illnesses including cardiovascular disease and cancer, and the incidence of depression. Increasingly, the field has focused on identifying the biological mechanisms u...

Which stage of mouse embryos is more appropriate for vitrification?

Objective Vitrification has been shown as one of the most effective methods of cryopreservation for mammalian embryos. However, there is no consensus which stage of embryonic development is the most appropriate for vitrification with subsequent maximal development after thawing. This study was carried out to explore and compare the effect(s) of vitrification on mouse 2-cell, 4-cell, 8-cell, mor...

which one is more important, obesity or cardio metabolic risk factors?