If your family is just getting into this magical world, here's a quick age guide for enjoying Harry Potter with your kids. Keep in mind that all kids are different, so assess your child's ability to handle frights and peril before you see the movies or read the books.6-7: A great age to begin.f your family is just getting into this magical world, here's a quick age guide for enjoying Harry Potter with your kids. Keep in mind that all kids are different, so assess your child's ability to handle frights and peril before you see the movies or read the books. 6-7: A great age to begin.
Best Answer: Dairy products are known to cause constipation, but not because of lactose intolerance - lactose intolerance causes diarrhea.
Causes of Lactose Intolerance. Lactose is the main sugar in milk and dairy products made from milk. Lactose must be broken down into two simple sugars, galactose and glucose, for your body to use them for energy. The enzyme lactase, which your intestines produce in large quantities in infancy, breaks down lactose.