the dream that someday we will journey to the outer reaches of our solar system and beyond. Beyond the controlling power of money we have no vision, and we see no laws. Lactase non-persistence and lactose intolerance. BSACI guideline for the diagnosis and management of cowвЂ™s milk allergy. Luyt D, Ball H, Makwana N, et al Standards of Care Committee (SOCC) of the British Society for Allergy and Clinical Immunology (BSACI). 3,4 Lactose intolerance can cause uncomfortable symptoms, while a serious allergic reaction to milk can be life threatening. In contrast, milk allergies are caused by your immune systemвЂ™s response to one or more proteins in milk and milk products.ДЄ milk allergy most often appears in the first year of life, while lactose intolerance typically appears later. Lactose intolerance is caused by problems digesting lactose, the natural sugar in milk. Lactose intolerance and milk allergies are different conditions with different causes. What is the difference between lactose intolerance and milk allergies? The small intestine usually makes more lactase as the baby gets older. In premature babies, or babies born too soon, the small intestine may not make enough lactase for a short time after birth. If the cause of the injury is treated, you may be able to tolerate lactose again. Lactose intolerance caused by injury to the small intestine is called secondary lactose intolerance. Treatments-such as medicines, surgery, or radiation therapy-for other conditions may also injure your small intestine. Infections, diseases, or other conditions that injure your small intestine, like CrohnвЂ™s disease or celiac disease, may cause it to make less lactase. The following can also lead to lactose intolerance: Not all causes of lactose intolerance are genetic. In this rare condition, the small intestine makes little or no lactase, starting at birth. Lactase nonpersistence, also called primary lactase deficiency, is the most common cause of low lactase levels. Symptoms of lactose intolerance may not begin until later childhood, the teen years, or early adulthood. In people with lactase nonpersistence, the small intestine makes less lactase after infancy. Genes play a role in the following conditions, and these conditions can lead to low levels of lactase in your small intestine and lactose malabsorption: In some cases, your genes are the reason for lactose intolerance. In some people, this extra fluid and gas causes lactose intolerance symptoms. Bacteria in your colon break down the lactose and create fluid and gas. The undigested lactose passes into your colon. If you have lactose malabsorption, your small intestine makes low levels of lactase-the enzyme that breaks down lactose-and canвЂ™t digest all the lactose you eat or drink. Lactose intolerance is caused by lactose malabsorption. If you have lactose intolerance, you may have symptoms within a few hours after you have foods or drinks Your symptoms may be mild or severe, depending on how much lactose you have. If you have lactose intolerance, you may have symptoms within a few hours after you have milk or milk products, or other foods that contain lactose. What are the symptoms of lactose intolerance?

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