The immune system plays an important role in maintaining the health of the body and protecting it from toxins and infections, which makes strengthening the strength of this system necessary, especially in the winter with the spread of diseases.   In our endeavor to strengthen our immune system, it is necessary to eat a group of foods, and adopt a balanced diet, so that the body is ready to receive the blows of viruses, toxins and bacteria when they attack it.   Nutrition experts advise that the immune system be strengthened through nutrition instead of resorting to medications and drugs,…