CrossFit and Rachel Holmes on Q for 7-9

TODAY on "Q" 

-- The Guardian writer RACHEL HOLMES talks about her recent exploration of the growing – and to some, distressing – trend of labour and birth photography.

-- The extreme workout program CrossFit is wildly popular despite claims that it can be hazardous to people's health. Writer and This Magazine editor LAUREN MCKEON  shares her disastrous CrossFit experience that left her unable to walk for months, while McMaster University kinesiology professor MARTIN GIBALA discusses CrossFit's benefits and dangers