Overall , the current literature supports clearly the dose-response relationship between physical activity and the seven chronic conditions identified .
Moreover , higher levels of physical activity reduce the risk for premature all-cause mortality .
The current Canadian guidelines appear to be appropriate to reduce the risk for the seven chronic conditions identified above and all-cause mortality
This systematic review examines critically the scientific basis for Canada 's Physical Activity Guide for Healthy Active Living for adults .
Particular reference is given to the dose-response relationship between physical activity and premature all-cause mortality and seven chronic diseases ( cardiovascular disease , stroke , hypertension , colon cancer , breast cancer , type 2 diabetes ( diabetes mellitus ) and osteoporosis ) .
The strength of the relationship between physical activity and specific health outcomes is evaluated critically .
Physical activity and osteoporotic hip fracture risk in men.
BACKGROUND Physical activity has been related to reduced risk of osteoporotic hip fractures , but the evidence among men is weak . OBJECTIVE To determine the association between baseline leisure physical activity and future risk of osteoporotic hip fracture in men . METHODS At baseline in 1975 our prospect i ve study cohort included 3,262 men who were 44 years or older and did not have chronic disease restricting their ability to exercise .  At baseline , physical activity was assessed by a question naire . Hip fractures were followed for 21 years , or from the age of 50 years for subjects who were initially younger than 50 years . RESULTS The hazard ratio of osteoporotic hip fracture , adjusted for other possible predictors ( height , body mass index , baseline diseases , smoking , use of alcohol , work-related physical activity , and occupational group ) , in men participating in vigorous physical activity compared with men not participating was 0.38 ( 95 % confidence interval , 0.16 - 0.91 ) ( P = .03 ) . CONCLUSION These results provide further evidence that there is an inverse association between baseline physical activity  and future hip fracture risk among men
Overall , the current literature supports clearly the dose-response relationship between physical activity and the seven chronic conditions identified .
Moreover , higher levels of physical activity reduce the risk for premature all-cause mortality .
The current Canadian guidelines appear to be appropriate to reduce the risk for the seven chronic conditions identified above and all-cause mortality
This systematic review examines critically the scientific basis for Canada 's Physical Activity Guide for Healthy Active Living for adults .
Particular reference is given to the dose-response relationship between physical activity and premature all-cause mortality and seven chronic diseases ( cardiovascular disease , stroke , hypertension , colon cancer , breast cancer , type 2 diabetes ( diabetes mellitus ) and osteoporosis ) .
The strength of the relationship between physical activity and specific health outcomes is evaluated critically .