http://www.thespark.com/deathtest/

Mark your calendar or Palm V. You can expect to die on:
June 12, 2058
at the age of 83 years old.
On that date you will most likely die from:
Cancer (47%)
Alien Abduction (10%)
Heart Attack (9%)
Alcoholism (7%)
Homicide (6%)
Suicide (5%)
Auto-Erotic Asphyxiation (5%)

When eliminating daily cigarettes and being less honest about the lifestyle, 5 more years show up:

October 8, 2063
at the age of 88 years old.
On that date you will most likely die from:
Cancer (35%)
Homicide (9%)
Alcoholism (8%)
Heart Attack (8%)
Contagious Disease (6%)
Loneliness (6%)
Auto-Erotic Asphyxiation (6%)