Stay Hydrated Eat a Colourful Diet Get Enough Sleep Keep Moving Manage Stress Enjoy the Sunshine Safely Avoid Smoking and Limit Alcohol Don't Forget Good Hygiene The Bottom Line Summer is the perfect time to enjoy longer days, fresh seasonal produce, and more opportunities to be active outdoors. While many people associate colds and flu with the winter months, supporting your immune system is important all year round. A healthy immune system helps your body respond to infecti