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[Extended life expectancy with physical activity].

New connections between physical activity and aging, arteriosclerosis and carcinoma point towards life extension by physical activity. For the slow down of the aging process, the reduction of highly reactive radicals generated from reactive radicals seems to be important by upregulating endogenous antioxidative mechanisms by physical activity. Preventive effects for arteriosclerosis by physical activity were found by positive influences on lipid and carbohydrate metabolism, blood pressure regulation, rheology and the vegetative nervous system. New data confirm this idea also as to older people. Associations between physical activity and carcinoma were lately found more often. These associations mainly concern hormone depending carcinoma in men and women, and also colon carcinoma; physical activity extents favourable effects on the hormonal system. Increasing evidence for protective effects of physical activity on aging, onkogenesis and arteriosclerosis must not lead to the assumption of causal connections.

Aged↗

Life expectancy and causes of death in a group of head-injured veterans of World War I.

The life spans and causes of death were examined for a group of Bavarian veterans of World War I who had suffered head injuries and for comparable control subjects who had not. The occurrence of posttraumatic fits was a significant prognostic factor for a higher death rate after the age of 50 years. Other indicators of the severity of injury did not lead to differences in the death rates. There were significantly more deaths due to cerebrovascular causes in the head-injured group than in the control group, but no subgroup was found to have significantly more cerebrovascular deaths than any other.

Adult↗