The body's immunity plays a key role in protecting against disease, infection and other health threats. For people struggling with immunity issues, a well-balanced diet can be one of the most important tools in improving immune function. A healthy diet not only provides essential nutrients, but also supports the body in fighting external agents such as viruses and bacteria. Nowadays, as stress, environmental pollution and poor eating habits weaken our natural protective shield, understanding the principles of healthy eating becomes a priority. In this article, we take a look at what a healthy diet is for people with immune problems, what ingredients are key, how to avoid dietary mistakes and how to make changes to your daily menu to boost your health.