Your immune system is vital for preventing and fighting off diseases. This is especially important with the current coronavirus pandemic. Our lifestyles usually dictate the health of our immune system and if you want to improve this vital component of your body then you need to be prepared to make some difficult changes. Boosting your immune system starts by understanding what it does and how it works. We have a chapter on this that explains everything in a simple-to-understand way. Once you know how much your immune system protects you, it will be easier for you to make the changes that you need to make.