Gary and Jennie are urging prospective parents to do genetic testing before starting a family. Their two sweet boys, Benny and Josh, are battling a life-threatening genetic disease. Knowing early on what's in your genes can help prevent these types of devastating diseases. To learn more about research for Canavan cure, visit curecanavanfund.org/. To learn more about genetic testing for Canavan disease and others, visit JScreen.org.