What is the 1 killer in North America?

Suicide Is a Leading Killer in America

According to the CDC, Leading Causes of Death for in Females United States, 2006 (the most recent year with completed statistics), the top ten are:

Heart disease

cancer

stroke

chronic lower respiratory disease

Alzheimer's disease

unintentional injuries

Diabetes

influenza and pneumonia

kidney disease

septicemia.

The statistics for the general population (male and female) are pretty much the same. Suicide is number 11 on that list.

See links below for more information.