Chemotherapy can wreak havoc on the taste buds and olfactory senses, depriving recipients of the intricate interplay between taste and smell that is critical to enjoying foods. Over time, taste and smell abnormalities can lead to a loss of appetite and anorexic behaviors, compromising patients’ ability to recuperate. Researchers investigated the feasibility of lactoferrin, a highly bioactive protein found in saliva and milk, as a treatment.