Most of the Solanaceae family are toxic to some degree. The trick is to teach your children not to eat plants. Half of the plants we grow in our gardens are toxic to some degree...certainly any thing with white sap is at least an irritant, but if a child decides to taste it, they aren't likely to do it again. Do a little research and decide if you want to give up tomatoes and potatoes as well. That article does say up front "urban legend."