• Question: why is my faeces brown?

    Asked by gina08 to Daphne, Darren, Jon, Katherine on 22 Mar 2012.
    • Photo: Daphne Ng

      Daphne Ng answered on 22 Mar 2012:

      The brown colour of faeces comes from the bile and bilirubin which are formed when hemoglobin (oxygen binding protein) in red blood cells breaks down.

    • Photo: Katherine Haxton

      Katherine Haxton answered on 23 Mar 2012:

      Faeces can be different colours as well – it often depends on what you’re eating, particularly if you eat a lot of red or purple coloured things.

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