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You may well assume that a programme supported by organisations such as the World Bank and the World Health Organization does what it says on the tin. However, it turns out this is not the case with deworming initiatives in countries such as Africa and India. Paul Garner, co-author of the Cochrane review on the topic, explains what's going on.
And Michael Wilson, instructor of medicine at the Mayo Clinic, gives us some advice on diagnosing Klinefelter's syndrome.
Deworming debunked: 0:33
Diagnosing Klinefelter's syndrome: 8:54