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.
What Are the Symptoms of Lactose Intolerance? Symptoms of lactose intolerance can include gas, diarrhea, bloating, cramps, nausea and bad breath. These symptoms can begin anywhere from 30 minutes to 2 hours after ingesting lactose and can last for up to 3 days after.