However, after the age of 3, the amount and activity of lactase slowly decline, and it is easy to have unformed stool or diarrhea, abdominal distension or abdominal pain after eating dairy products.
However, after the age of 3, the amount and activity of lactase slowly decline, and it is easy to have unformed stool or diarrhea, abdominal distension or abdominal pain after eating dairy products.