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BACKGROUND To explore any association between the timing of the initiation of sexual activity and sexual behaviors and risks among university students in China. METHODS Data were derived from a cross-sectional study on sexual behavior among university students conducted in Ningbo municipality, China, at the end of 2003. Students completed a(More)
BACKGROUND Sexually transmitted infections (STIs) increased rapidly in Japan during the 1990s. METHODS To determine the epidemiologic characteristics of STI patients, male cases (n = 765) from 21 clinics across Japan and controls from the general population (n = 1,167), both aged 18 to 59 years, were compared using two datasets of nationwide sexual(More)
Adaptation to temperature fluctuation is essential for the survival of all living organisms. Although extensive research has been done on heat and cold shock responses, there have been no reports on global responses to cold shock below 10 degrees C or near-freezing. We examined the genome-wide expression in Saccharomyces cerevisiae, following exposure to 4(More)
Gene expression during growth at low temperature in the yeast Saccharomyces cerevisiae was investigated by means of DNA microarray analysis. A large number of genes showed an increase or decrease in expression at 4 degrees C relative to 25 degrees C. Although a temperature shift was not performed, differential expression of the cold shock genes TIP1, TIR1,(More)
BACKGROUND The risks for Chinese male university students who have sex with other men (MSM) have not been compared with those for non-MSM students. This information is important for the development of targeted HIV prevention programmes for this population. METHODS Sexually active MSM and non-MSM students were compared for demographic characteristics,(More)
BACKGROUND Little is known about the HIV/AIDS epidemic in the Indian Ocean region, including Mauritius. National records suggest a prevalence of HIV in Mauritius of < 1% in the general population, which is one of the lowest prevalence rates in southern Africa. However, HIV-positive cases have been increasing recently in Mauritius. We conducted a(More)
OBJECTIVES In the present study, we aimed to clarify the specific effects of age, period, and cohort on trends in obesity rate and energy intake ratio from fat in Japanese adults using a Bayesian age-period-cohort (APC) analysis and to evaluate the relationship between changes in obesity rate and energy intake ratio from fat. METHODS We obtained data(More)
Intraoperative autologous blood predonation is reported to be useful for the prevention of homologous blood transfusion in cardiac operations, especially in on-pump coronary artery bypass grafting (CABG). However, CABG is now performed more often off-pump than on-pump. We analyzed the major factors of homologous blood transfusion in 25 consecutive cases of(More)