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Little is known of L-arginine's role in autonomic nervous regulation and physiological responses to dynamic exercise. We assessed heart rate and blood pressure during a maximal bicycle ergometer test and heart rate variability at rest in 15 healthy male volunteers, age 22-38 years. Venous blood samples for plasma L-arginine measurements were taken when(More)
BACKGROUND In 1992 Thorogood et al. reported an increased risk of myocardial infarction in women using psychotropic drugs. The aim of our study is to find out whether there is a link between the use of psychotropic drugs and subsequent myocardial infarction in males. METHOD A cohort of 3172 male farmers was followed from 1 February 1980 to 31 December(More)
The aim of this trial was to determine whether social interaction between patients with long-lasting nonspecific back pain reduces subjective or objective disability. The participants were selected from persons visiting an occupational health care unit because of back pain. After a clinical examination in a university clinic, subjects without a specific(More)
Low-density lipoproteins, infections and smoking are closely associated with insulin resistance. According to the hypothesis proposed in this paper, all of these factors could cause insulin resistance by the same mechanism. The first step in the cascade of events leading to insulin resistance is increased production of interleukin-2. This is followed by(More)
An excess mortality for violence (suicides and injuries) has been observed following the use of cholesterol-lowering drugs. It has been suggested that low cholesterol is associated with depression by modifying the serotonin metabolism. In this paper, a new hypothesis concerning the association among serum lipids, depression, and atherosclerosis is proposed.(More)
An acute ethanol dose of 2g/kg shortened the survival time at −20°C of guinea pigs both adapted to the cold and those reared in the warm, but no significant difference was observed between the adapted and non-adapted groups. Long-term ethanol treatment of 2g/kg/day for 4 weeks, lengthened the survival time of the guinea pigs reared at room temperature, but(More)
The effect of hypothermia with and without ethanol on the myocardium and skeletal muscle was studied. Changes were observed in both muscle types. The mildest lesions were discoloration of the muscle cells with acid fuchsin and Heidenhain's iron haematoxylin staining, these being more marked in the skeletal muscle. Waving and contraction bands in the muscle(More)
Vital reactions in the paw skin of guinea pigs dying of hypothermia were examined using a variety of histochemical methods to find ways of distinguishing between ante-mortem and post-mortem frostbites. Some animals were treated with ethanol or diazepam. Edema, hyperemia, and incipient accumulation of granulocytes were seen to develop within the 2–6 h for(More)