The number-one controllable risk factor for heart disease is:

Question

Quizplus · Accepted Answer

Smoking is the number-one controllable risk factor for heart disease because it damages the lining of the arteries, reduces the amount of oxygen in the blood, and increases the risk of developing blood clots. Unlike age and genetic background, which are non-modifiable risk factors, smoking is a behavior that individuals can change to reduce their risk. C-reactive protein levels are a marker of inflammation in the body, not a direct risk factor that can be controlled in the same manner as smoking cessation.

The Number-One Controllable Risk Factor for Heart Disease Is