What is a controllable risk factor?

Still, making some changes in your lifestyle can reduce your chance of having heart disease. Controllable risk factors include: Smoking. High LDL, or "bad" cholesterol, and low HDL, or "good" cholesterol

Following are few risk factors that can be controlled over a period of time:

Poor eatingSmokingHigh Blood :

An individual can prevent him/her self from a number of disease by improving their diet and quality of food they in take, as the number of common diseases are due to poor diet. balanced eating also helps a person to prevent blood pressure, obesity, high cholesterol etc. And lastly smoking, which is one of the vibrant factor  in causing of all the disease what might lead to death as well, but it can be controlled.

Hepatitus b, hepatitus c, hiv, and tetanus

More than half is the answer