Barbara Natterson-Horowitz is a prominent physician and evolutionary biologist known for her work in the intersection of human and animal health. With a background in cardiology, she has made significant contributions to understanding how evolutionary principles can inform medical practices. Her interdisciplinary approach has garnered attention, particularly in exploring the connections between psychological and physical health across species. Natterson-Horowitz gained recognition for her research on the similarities between human and animal behaviors, particularly in relation to health and social interactions. She emphasizes that studying animal behaviors can provide valuable insights into human health issues. This perspective offers a unique lens on medicine, suggesting that some human conditions may have roots in our evolutionary history. Through her writing and lectures, Natterson-Horowitz advocates for a more integrated view of health that considers the broader biological context. Her work encourages a shift in how we perceive health and disease, pushing for an understanding that transcends traditional boundaries between human and animal studies, ultimately enriching the medical field. Barbara Natterson-Horowitz is a leading voice in the study of health from an evolutionary standpoint, bridging the gap between human and animal medicine. Her work highlights crucial connections and similarities between species, allowing for innovative approaches to healthcare. Natterson-Horowitz's insights encourage a holistic understanding of health, impacting medical practice and research significantly.