Posts Tagged ‘hydrogen breath test’

Lactose intolerance is very common, particularly in certain ethnic groups. For example, lactose intolerance may affect 95-100% of Southeast Asians, and 90% of Asian Americans. What is lactose intolerance? Technically it is a deficiency of lactase activity. Lactase is the enzyme that breaks down lactose, the sugar found in milk. Lactase is produced in the […]

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