Black poo is one of a number of shades your stools can turn, and it could indicate diet or a medical condition.It is worth paying attention to poo col
It is worth paying attention to poo colour since it can often be a good indicator of health.
According to the Mayo Clinic, all shades of brown - and even green - are considered normal.
However, dark red poo can indicate bowel cancer, while white or clay-coloured stools may point to diseases of the liver or bile ducts.
Black poo could be...
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