
Läs vidare (engelska-detaljrikt-högintressant för många skulle jag tro):
"...The studies available to date show that regular exercise can lower the risk of a fatal or non-fatal stroke (infarct, cerebral hemorrhage, or—rarely—subarachnoid hemorrhage) by about 20% to 30%. There is a trend suggesting that a higher level of physical activity is more effective than a lower one for the prevention of ischemic stroke. Not all of the relevant studies yielded significant results, as is usually the case in epidemiology. Inadequate cohort size may explain this in some cases...."
Källa: tyska Aerzteblatt-international