[doug from upland]

Does it say that, although he did anti-smoking commercials, he got busted for pot?

[Pharmboy]

No, it doesn't say that explicitly, but it alludes to his past with the closing paragraph:

Curtis always surrounded himself with attractive women (among others, Janet Leigh and Christine Kaufman). Today he lives largely withdrawn in Hawaii and enjoys his second life -- as a painter--without drugs and alcohol.