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Acute and regular exercise as well as physical activity (PA) is related to well-being and positive affect. Recent studies have shown that even daily, unstructured physical activities increase positive affect. However, the attempt to achieve adherence to PA or exercise in inactive people through public health interventions has often been unsuccessful. Most(More)
The growth fractions (GF) of 151 mammary carcinomas were determined in situ by Ki-67 immunoperoxidase staining. A mean value of 14.6% Ki-67-positive tumor cells, with a standard deviation of 11.1, was found. Tumors of histological grades 1 and 2 had a mean GF of 13.1% which was significantly lower (p less than 0.05) than that of grade 3 tumors (mean GF(More)
Regular exercise and physical activity are among the most important factors influencing the quality of life and make a significant contribution to the maintenance of health and well-being. The assessment of physical activity via accelerometry has become a promising technique often used as means to objectively measure physical activity. This work proposes a(More)
Exercise and physical activity have proven benefits for physical and psychological well-being. However, it is not clear if healthy young adults can enhance mood in everyday life through regular exercise. Earlier studies mainly showed positive effects of acute exercise and exercise programs on psychological well-being in children, older people and in(More)
Over the last years there has been an increasing interest in finding new methods for capturing psychological, behavioral and physiological data in real-time using infield data acquisition systems. Within our research group a system for ambulatory assessment of psycho-physiological signals for real-time data capture has been developed. The system is based on(More)
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