Dr George Lee returns to discuss the latest medical news. This week, he explains the latest research in sperm swimming. Apparently, it is all down to "simple math". We find out what that means. Also, he shares his thoughts on the recent incident of penile strangulation, which left a Penangite in a bit of bind. What does he think about penis rings? 

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Tags:  the bigger picture,  health and living,  doctor in the house,  aia,  aia vitality,  sexual health,  sperm,  penile strangulation,  penis ring,  erectile dysfunction,  penis,  men’s health,  fertility