By Colleen Hurley, RD, Certified Kid’s Nutrition Specialist It is that time of year again, chillier weather and of course the ubiquitous common cold. An ounce of prevention is worth a pound of cure and although it is inevitable your child will catch a cold at some point in their lives; especially those in preschool or daycare, there are few things you can do help boost your child’s immunity. Here are 8 ways to boost kids’ immune systems: 1. Lather, rinse, repeat:Hand washing may not boost a chil