Increase Your Immune System Using 5 Steps-BookBy WatthanaYour immune system is your number one defense mechanism against intruders such as bacteria or viruses that can make you very ill. It is imperative to make sure that you stay healthy throughout the year and put all the chances on your side to boost your immune system. To do so, here are five steps to help you avoid being sick with a cold or flu. Related posts: Why Thai food is good for your health? Benefits of Morning Rituals-Free eBook Boiled Mixed Vegetables Soup-Thai vegetarian food 5 important vitamins to prevent o-micron, BA4 and BA52022-01-13