Hae-Jin Ko

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AIM To investigate the effects of laughter therapy on depression, cognitive function, quality of life, and sleep of the elderly in a community. METHODS Between July and September 2007, the total study sample consisted of 109 subjects aged over 65 divided into two groups; 48 subjects in the laughter therapy group and 61 subjects in the control group. The(More)
OBJECTIVE This study purported to analyze the results of colonoscopy for different age groups and to identify the optimal beginning age for colonoscopic screening. METHODS A total of 3102 cases of asymptomatic, average-risk, colonoscopy-naïve individuals who underwent colonoscopy at the Health Promotion Center at the Kyungpook National University Hospital(More)
UNLABELLED Abstract Objective: There is evidence that Korean red ginseng (KRG) can reduce the production of the adrenal corticosteroids, cortisol, and dehydroepiandrosterone (DHEA), and thus may be a viable treatment for attention-deficit/hyperactivity disorder (ADHD). The present randomized double-blind placebo-controlled clinical trial tested the effect(More)
BACKGROUND In various studies in adults, caffeine may increase wakefulness and relieve pain, but caffeine overdose can cause many adverse serious effects on health. Caffeine intake has recently been increasing in adolescents. In spite of importance of caffeine effects on Korean adolescents, there are lack of scientific and systematic studies. The purpose of(More)
BACKGROUND There is evidence that animal-assisted therapy has positive effects on mental health, especially in elderly people. Caring for insects is easy, relatively inexpensive, and does not require much space. OBJECTIVE The aim of this 8-week randomized, controlled, single-blinded study was to investigate the effect of pet insects on the psychological(More)
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