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Lactose intolerance (also known as acquired/primary lactase
deficiency and is normal for most mammals):

Lactose intolerance - The inability to digest the lactose found in milk
and other dairy products into its constituent monosaccharides, glucose
and galactose. Lactose is a disaccharide and as such cannot pass
through the plasma membrane…

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methane. These lower the water potential of the lumen of the gut,
water enter the gut via osmosis from the blood. This gas causes
bloating, cramps, flatulence and diarrhoea, vomiting and general
discomfort. The faeces produced are therefore are also explosive due
to the gases, watery due to osmosis and…


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