[sgtpepper]

Cigarettes are a nasty filthy habit...

But I find a good cigar or pipe useful for clearing the mind when working on hard problems.

[sehr]

Red Bulls are a nasty filthy habit...

But I find a good espresso or americano to be useful for helping the mind stay alert.

http://www.mayoclinic.com/health/cigar-smoking/AN01515

[sgtpepper]

I'm not sure the relevance of the link.. I never said cigars were healthier.. certainly there are risks involved. But there's a huge gulf between a pack a day habit and a couple day a month indulgence.