Autumn is a time of uncertain weather, first cold weather and unexpected rainfall. How do you know it is coming? Due to refreshing air, shorter evenings and multi-coloured leaves on the trees? Or after sneezing, sore throat, coughing and red eyes? The choice is yours! Even on cool, windy days you can enjoy fitness and health. Enjoy the flashes of summer and walks among the golden leaves. Just stick to a few rules to take care of immunity - yours and your loved ones.