While there isn't one single "first" cause, major behavioral risk factors significantly contribute to heart disease.
According to the provided reference, the most important behavioral risk factors of heart disease and stroke include:
- Unhealthy diet
- Physical inactivity
- Tobacco use
- Harmful use of alcohol
Therefore, an unhealthy diet is a primary behavioral factor contributing to heart disease. It's important to note that multiple factors often contribute to the development of heart disease, and these factors frequently interact.
