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. Lactose intolerance is a common digestive problem where the body is unable to digest lactose, a type of sugar mainly found in milk and dairy products. Lactose intolerance can cause symptoms such as bloating and diarrhoea. It does not cause severe reactions.