The sex hormone estradiol, as measured through saliva, represents a non-invasive and cost-
effective approach to understanding the influence of hormonal factors on physical and …

Light-at-night is known to produce a wide variety of behavioral outcomes including
promoting anxiety, depression, hyperactivity, abnormal sociability, and learning and memory …

Objective: The present study tested whether improvements in sleep and circadian problems
mediate the effect of a novel transdiagnostic sleep and circadian intervention (TranS-C) on …

Background Studies that focus on the relationships of problematic Internet use (PIU), sleep
disorders, and behavioral/emotional problems were limited. This study aimed to explore (1) …

Background Inflammation-related processes have emerged as a biological pathway related
to adolescent development. This study examined cross-sectional and longitudinal …

Purpose Although pubertal timing is gradually becoming earlier in Japan, support as for
physical and mental health among children experiencing earlier puberty than their peers is …

ABSTRACT Objective The Transdiagnostic Sleep and Circadian Intervention for Youth
(TranS-C) was developed to improve sleep and circadian functioning in adolescents. This …

The present study was aimed at obtaining a more comprehensive understanding of the
possible mediating factors in the morningness-eveningness→ alcohol consumption relation …

The endocrine system plays an essential role in communication between various organs of
the body to maintain homeostasis. Both substance use disorders (SUDs) and non-substance …

Although circadian preference is widely accepted to be a risk factor in the increase of
adolescents' negative experiences, little is known about its association with cyber …