From Canada.com:
Younger men looking for a lift: Older teens, adults in their 20s are taking Viagra
Forget Bob Dole or Guy Lafleur. The next pitchman for Viagra may be McCauley Culkin.

Lured by the idea that fail-safe and firmer erections may be found in a pill bottle, younger and younger men are asking doctors for erectile dysfunction drugs even when their sexual "functioning" is normal.

Older teens and men in their 20s are taking Viagra or newer erection remedies routinely before dates or parties, doctors report.