Winter is approaching, and with that cold and flu season. While nothing can completely stop a cold in its tracks, a healthy immune system can help ward off the germs that cause colds and the flu, and may even minimize a cold’s duration. Overall, a healthy lifestyle that includes eating a balanced diet, adequate fluids, physical activity and adequate sleep is your best investment in immunity. That said, there are some specific things you can do now to boost your immunity. Check out these tips from our Registered Dietitian Lea Basch.