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Lactose intolerance is a digestive condition where the body is unable to break down lactose, a sugar present in milk and dairy products. This disorder results from a lactose breakdown into simpler sugars due to an absorption deficit of lactase, an enzyme generated in the small intestine. Lactose stays unbroken without adequate lactase, which causes digestive problems.
Typical lactose intolerance symptoms include gas, diarrhoea, stomach cramps, bloating, and nausea following dairy consumption. How much lactose a person takes in and how bad their symptoms are depend on how little lactase they have. Lactose intolerance can happen over time or because of genes. It can also be caused by intestinal infections, getting older, or diseases like coeliac disease.
Usually, diagnosis consists of hydrogen breath tests or lactose tolerance testing. Although lactose intolerance is not fatal, control of it calls for dietary changes. Many people with this disorder choose lactose-free alternatives, such as plant-based milks like almond, soy, or oat milk. Some people may also be able to handle small amounts of dairy. Some people may also find lactose easier to break down with lactase enzyme pills.
General health depends on keeping a balanced diet, including enough calcium and vitamin D. Good management lets people with lactose intolerance lead a comfortable, symptom-free life.