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Few studies have focused on the health effects of vibrating tools on workers in the tropical area. Work conditions and health effects related to rock drill operation were studied in 102 quarry workers, including 73 rock drill operators in Vietnam. We aimed to clarify (1) risk of vibration exposure, (2) occurrence of vibration-induced white finger (VWF), and(More)
Manual dexterity and hand functional difficulties in daily life in hand-arm vibration syndrome (HAVS) were investigated in 29 male patients with HAVS and 30 male controls without occupational exposure to hand-arm vibration. Manual dexterity was assessed by measuring the performance time of picking up and transferring 30 red beans, one by one, from one plate(More)
Helicobacter pylori (H. pylori), which increases the risk of gastric diseases, including digestive ulcers and gastric cancer, is highly prevalent in Asian countries. There is no doubt that eradication of the bacterium is effective as a treatment of digestive ulcer, but eradication aiming to reduce the gastric cancer risk is still controversial.(More)
OBJECTIVES The aim of the present study was to ascertain the usefulness of thermotactile testing under the measuring conditions clarified by our previous study in the evaluation of vibration-induced neuropathy. METHOD Thermal (warm and cold) thresholds were examined on the index fingers of both hands of ten patients with hand-arm vibration syndrome, 36(More)
OBJECTIVE To examine a possible relationship between obesity, job stress, and eating behavior in male Japanese workers. METHOD A questionnaire on life style, job stress, and eating behavior was conducted with 208 male workers aged 19-60 years (33.7+/-12.3 years) in a manufacturing industry in Japan. Height and weight were measured in an annual health(More)
OBJECTIVE We examined a possible relation among obesity, eating behavior, and job stress in male Japanese workers. METHODS A questionnaire survey on lifestyle, eating behavior, and job stress was conducted with 595 male daytime workers (19-60 y of age, mean +/- SD 41.8 +/- 12.6 y of age) in a synthetic-fiber manufacturing plant. The 431 non-obese men(More)
Recently, many cross-sectional studies observed that body mass index (BMI) and percentage of body fat (%BF) were inversely associated with pedometer-determined physical activities, but studies on Asian populations, including the Japanese, are sparse. Height, weight, body fat percentage (%BF, bioelectrical impedance analyzer), and waist circumference were(More)
BACKGROUND Lifestyle modification is associated with a substantially decreased risk of cardiovascular events. However, the role of lifestyle intervention for secondary prevention in patients with noncardioembolic ischemic stroke is inadequately defined. We assessed the hypothesis that lifestyle intervention can reduce the onset of new vascular events in(More)
Autonomic nervous function in response to cold was investigated in 21 patients with vibration-induced white finger (VWF) and 17 healthy controls of similar age, using power spectral analysis of heart rate variability. In a supine position, electrocardiogram and skin temperature of both index fingers were measured during immersion of right hand in cold water(More)
BACKGROUND The association between social relationships and lower mortality has been well documented in Western countries. This study aims to investigate that association among elderly Japanese in a rural area. METHODS An analysis was conducted with 1,994 subjects (58.1% women), 78.3% of the total elderly aged 65 and older in a town, who were independent(More)