What is the most common lifestyle disease?

Cardiovascular disease. Cardiovascular disease (CVD) is the number one cause of death globally, taking the lives of over 17 million people each year. CVD is a group of conditions that affect the heart and blood vessels and includes conditions such as coronary artery disease, heart attack, and stroke. The major risk factors for CVD include hypertension (high blood pressure), high cholesterol, smoking, diabetes, obesity, and physical inactivity.