Answer to Question 1
Edema in ankles and legs.
Shortness of breath.
Possible kidney problems with buildup of fluid in the body.
Loss of muscle endurance.
Answer to Question 2
Higher rates of obesity and diabetes.
Possible sodium sensitivities.
High levels of smoking.
Economic hardships.
High-fat diets.
Blue collar jobs, requiring physical work, but no sustained activity to develop cardiovascular system.