Part 3/9:
The intriguing idea of using smell as a diagnostic method has caught the attention of scientists and technologists alike. Current research focuses on understanding how the body constantly leaks biologically relevant information through scent. These scent footprints serve as unique signatures for various diseases. For example, Joy has traveled to Africa to smell tuberculosis, which she describes as having a briny smell, and to California to study the earthy aroma associated with cancer.