Hello Belinda, your reflections on the connection between smell and illness are both poignant and thought-provoking. It’s fascinating to consider how much our senses can perceive about health; in fact, recent studies suggest that specific volatile organic compounds released by cancer cells can lead to changes in body odor, which dogs have been trained to detect as well. Research from the 2010s has shown that dogs can accurately detect certain types of cancer with remarkable sensitivity, sometimes with success rates over 90%. This innate ability shines a light on the complexities of human and animal biology and the potential for integrating such natural skills into formal health diagnostics. Your memories seem to weave together the personal and the scientific, drawing attention to both the emotional weight of loss and the intriguing possibilities for future research in understanding diseases like cancer. The human olfactory system remains an untapped reservoir of potential insights into health, perhaps leading to better early detection methods in time.