Water Quality Evaluation of PET Bottled Water by Mineral Balance in the Northeast Asian Region: A Case Study of South Korea.

Background: The past few years have seen a demand for drinking water in contemporary society with a focus on safety and taste. Mineral water is now marketed as a popular commercial product and, partly due to health concerns, the production.

Methods: For the study, a comparison was carried out of water samples from 9 types of polyethylene terephthalate (PET) bottled water sold in South Korea as well as from tap water in the cities of Seoul and Chuncheon.

Evaluation of an e-learning distance education system in the graduate school of medical sciences of tottori university.

Three years have passed since the introduction of a new e-learning system as part of the graduate study program in the Faculty of Medicine of Tottori University. To improve this system, a survey was conducted among graduate students and faculty members to evaluate it. The subjects of the study were 138 graduate students (in the doctoral programs in Medical Science, 1st- and 2nd-term doctoral programs in Life Science, 1st- and 2nd-term doctoral programs in the Institute of Regenerative Medicine and Biofunction, and Clinical Psychology) as well as 108 faculty of the Graduate School of Medical Sciences of Tottori University.

The mental health of adolescent school children: a comparison among Japan, Korea, and China.

This study compared the mental health of adolescents in three countries in northeast Asia: Japan, South Korea, and China. The study sample included a total of 1,399 third graders at junior high schools: 632 from Yonago City and Tottori City in Japan, 377 from Wonju City in Korea, and 390 from Changchun City in China. Mental health was measured by the Ochanomizu University Health Examination, which includes mental health scales composed of somatic symptoms, eating disorders, depression, interpersonal relationships, powerlessness, and impulsiveness; self-resilience; familial relationships; friendships; a feeling of gloom during the previous month; current well-being; and counseling.

Effect of cyclohexenonic long-chain fatty alcohol on rat overactive bladder induced by bladder neck obstruction.

We attempted to clarify the preventive effects of cyclohexenonic long-chain fatty alcohol on detrusor overactivity induced by mild bladder neck obstruction. Bladder neck obstruction was created by partial ligation of the urethra. Female Sprague-Dawley rats were divided into three groups: those with bladder neck obstruction treated without long-chain fatty alcohol, those with bladder neck obstruction with long-chain fatty alcohol (8 mg/kg, i.

[Cocaine toxicity, enhancing effects in grouped mice and mechanism on behavioral characteristics].

A marked increase in lethality in grouped mice (group toxicity) following the administration of methamphetamine, a central nervous stimulant, has been well known. Pharmacological effects, behavioral characteristics and toxicities of cocaine are fairly similar to those of methamphetamine. Thus, in this study, the possibility of producing group toxicity induced by cocaine and the participation of biogenic amines and neurotransmitters in the production of behavioral sensitization with cocaine was investigated in ddY male mice.