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Because of deficiency of lactase.
Because your body lacks the enzyme lactase which is necessary for the digestion of lactose
Because it could kill babies.
Lactose intolerance is the inability to metabolize lactose, because of a lack of the required enzyme lactase in the digestive system.
Lactose intolerance is an issue because your body cannot produce lactase, the enzyme required to break down lactose, the sugar found in milk-based products. This ultimately means that you cannot consume milk. And that is an issue.
Because the degree of lactose intolerance varies so much, treatment should be tailored for the individual.
People with celiac disease may also experience lactose intolerance because they don't produce enough of the enzyme lactase, which breaks down the sugar in milk into a form the body can absorb.
Lactose intolerance, the inability to digest the sugar found in milk, is widespread and affects up to 70% of the world's adult population.
It helps with lactose intolerance because contains the enzyme Lactase which if you are Lactose intolerant you body doesn't produce this enzyme and the enzyme lactase in Lactaid pills breaks down the milk sugar(Lactose) making it easier for your body to digest dairy foods. Taken off of my box of Lactaid
Because of the uneven distribution of enzyme deficiency based on race and ethnic heritage, especially in lactose intolerance, genetics are believed to play a role in the cause of primary carbohydrate intolerance.
Yes. Lactose intolerance is a phenomena of the digestive system. Just because you have milk in the mammeries has no bearing on what happens to milk in the intestines. The same argument goes for lactose intolerant (human) mothers.
Are you talking about lactose intolerance? If so, people are lactose intolerant because they do not have the enzyme lactase that is use to digest the lactose. The gene that codes for the lactase cease to be express when they get older . Other people keep expressing the gene for their entire life.