Controllable risk factors include:
Smoking.
High LDL, or "bad" cholesterol, and low HDL, or "good" cholesterol.
Uncontrolled hypertension (high blood pressure)
Physical inactivity.
Obesity.
Uncontrolled diabetes.
Uncontrolled stress and anger.
Well, the ideal weight is between 131 to 160 lbs so I'm guessing that would be a healthy weight.
I think its the system cell mah dude in other words its the T-CELL