According to Sentry Parental Controls…
According to Business Week…
10. Alzheimer’s disease
9. Kidney disease
8. Suicide
7. Influenza and pneumonia
6. Diabetes
5. Chronic obstructive pulmonary disease (COPD)
4. Stroke
3. Unintentional injuries
2. Cancer
1. Heart disease
According to MayoClinic.com