It is suggested that older americans between over the age of 65 engage in minutes of vigorous-intensity aerobic physical a week.

It is suggested that older Americans between over the age of 65 engage in _75__ minutes of vigorous-intensity aerobic physical a week.

75minutes

Explanation: World health organization ( WHO) and the United States Government recommends a 75minutes of vigorous-intensity aerobic exercise or physical activity for adults 65years and above. These activities include JOGGING,RACE-WALKING, SWIMMING,ROPE-JUMPING, RUNNING etc this is to keep them healthy as most are out of regular work. These activities will help them to be able to prevent CARDIAC DISEASE, DIABETES,STROKE etc.

if there was a picture i could answer this for you

answer; i believe that the correct answer is (b) is a factor associated with physical activity and heart disease;