Karolina H. Czarnecka-Chrebelska, PhD. Researcher, reviewer, popularizer of science. She studied biotechnology and physics at the University of Warsaw and began research work in her third year at the Polish Academy of Sciences. She completed an internship at the Institut de Biologia Molecular in Barcelona and successively worked at the Institute of Medical Biology of the Polish Academy of Sciences, the Medical University of Lodz, the startup Open-RnD, the Warsaw University of Technology, and the diagnostic laboratory qGenomics in Barcelona. She is currently working at the Medical University of Lodz. She is involved in the search for diagnostic and prognostic markers (miRNA, lncRNA, LOH and cfDNA) in cancers, and in the pathogenesis of various diseases. She focuses on the links between dysbiosis, chronic inflammation, and pathological processes in cancers, COPD, or NALFD.