Fumio Kobayashi

TL;DR: To investigate the reliability and validity of 4 selected scales from the Japanese version of the Job Content Questionnaire, a survey was conducted on a total of 626 employees of telephone and electric companies in Japan and suggested that the JCQ scales are reliable and valid instruments for assessing job stressors in a Japanese working population.

TL;DR: In white-collar male daytime workers, psychological job stress factors such as interpersonal conflicts with fellow employees, job satisfaction, and social support were independently associated with a modestly increased risk of insomnia that included three different subtypes that were considered to be defining for the disorder.

TL;DR: The results suggest that MSNA increases with age in women and men and that the activity is markedly lower in young women than in men but is markedly accelerated with age.

TL;DR: It was concluded that aging increases the resting activity, but there is less increase in the standing activity of sympathetic outflow to muscles in humans.

TL;DR: Psychological stress may reduce the plasma levels of LDL+VLDL accompanying an alpha-tocopherol decrease and there appeared to be a correlation between elevated MDA and depressive symptoms in low JS participants.