I don't want him to imply that since something primarily kills old people, it is somehow not important.
http://www.cdc.gov/injury/wisqars/pdf/leading_causes_of_death_by_age_group_2012-a.pdf
Per the link, downplaying cancer is a silly thing to do (directed at Axel, not you). It is #2 in every age category beginning at 5 years old (except 15-34 when homicide and suicide become more common), then jumps to #1 at ages 45 to 65, when Heart Disease takes over.