High blood sugar almost never causes symptoms. And then it is necessary to do blood tests, especially if you are comfortable with them. However, a high blood sugar level does not necessarily mean diabetes, as physical activity and a healthy diet can prevent the disease or at least delay it for many years. And you can return even if you are already sick, because the lifestyle is a real therapy, the first “medicine” for diabetes. This does not mean that you are cured, but rather that the disease is kept at bay. Which values ​​need to be checked, when to switch to medication, and patients’ fear of insulin. Professor Andrea Giaccari, diabetologist at the Gemelli Polyclinic Foundation in Rome, talks about it. Elvira Naselli in the studio