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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)
Recent evidence has shown the association of increased plasma fibrinogen levels with subsequent coronary heart disease or stroke. Fibrinogen is an acute-phase inflammatory reactant as well as a clotting factor. The authors investigated an association between fibrinogen levels and cardiovascular risk factors in apparently healthy Japanese subjects, while(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)
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)
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 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)
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)
The interaction between noise and inhaled styrene on the structure and function of the auditory organ of the male Wistar rat was studied. The animals were exposed either to 600 ppm, 300 ppm or 100 ppm styrene (12 h/day, 5 days/week, for 4 weeks) alone or in combination with a simultaneous 100-105 dB industrial noise stimulant. Auditory sensitivity was(More)