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.
Lactose intolerance refers to digestive disturbances caused by not having enough intestinal lactase, the enzyme needed to break down lactose--the sugar found naturally in milk and milk products. If lactose is not digested, it can cause gas and stomach cramps.