I should add that I don't know as many women compared to men who cycle. Very true for commuting to work by bike. Usually I am 1 women out of 25 men, who is bike commuting to work.

I would recommend biking to work strongly as a way of changing your lifestyle so that exercise becomes integrated naturally into your routine...if you lack time to exercise.
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http://cyclewriteblog.wordpress.com/ (How cycling leads to other types of adventures, thoughts)
http://velourbansism.wordpress.com