Lead-based paint was banned in 1978, but houses built before then probably still contain leaded paint. Children, particularly under the age of six, are most at risk from even small amounts of lead, and the damage can be permanent. But there are things you can do to protect your kids. Read on to learn more about the symptoms and causes of lead poisoning, how to help prevent it, how to have your child screened, and how to make the healthiest choices for your family.