The management of hypertension and blood pressure regulation is of paramount importance in modern medicine. However, the selection of appropriate pharmacological therapy is not always straightforward, as patients respond differently to various medications. Increasing research indicates that the hormonal background, such as the role of renin, may be crucial in the treatment of hypertension. It is essential for physicians to consider the individual characteristics of their patients when making therapeutic decisions. The medical community is continuously seeking methods that can help determine optimal drug treatment. Recently, there has been a growing focus on measuring the levels of the renin hormone, which is produced in the kidneys and plays an important…