Marta Stelmach-Mardas is an academic researcher from Poznan University of Medical Sciences. The author has contributed to population base study. Stelmach-Mardas received the title of Professor in the field of medical sciences and health sciences, awarded by the President of the Republic of Poland in 2022. Skills and expertise include Human Nutrition, Metabolism, Nutrition, Lipid Metabolism, Vitamin D, Epidemiology, and Clinical Epidemiology.