Birth-control pills could screw up a woman's ability to sniff out a compatible mate, a new study finds.

 

While several factors can send a woman swooning, including big brains and brawn, body odor can be critical in the final decision, the researchers say. That's because beneath a woman's flowery fragrance or a guy's musk the body sends out aromatic molecules that indicate genetic compatibility.

 

 http://news.yahoo.com/s/livescience/20080813/sc_livescience/thepillmakeswomenpickbadmates

Pheromones, man.  Your armpits are full of them.  That's part of why your armpits are considered a primary erogenous zone.  When you smother that with nasty cologne and chemical laden pit stick, you're actually limiting your chances of finding "the right one for you" or having them find you.  It's science fact.