How did Rudolf Virchow's work connect cells and disease?

Rudolf Virchow revolutionized biology by establishing the system of cellular pathology, which shifted the understanding of human disease away from ancient theories of fluid imbalances or organ-level lesions.12

Virchow applied the cell theory to medicine, arguing that diseases do not originate in organs or tissues as a whole, but rather within their individual cells. Influenced by the work of researchers like Robert Remak, Virchow popularized the concept that every cell is derived from a preexisting cell (omnis cellula e cellula). By demonstrating that pathological processes are essentially cellular processes, he provided a new framework for studying pathology.12

His systematic approach transformed medical science, allowing for a more precise analysis of conditions such as inflammation, tumors, and thrombosis. Through his 1858 lectures and subsequent publications, Virchow established that the fundamental unit of both health and disease is the cell, a principle that remains a cornerstone of modern medical practice.2