Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.
TASTE RESEARCH: New Gene May Be Key to Sweet Tooth
R. John Davenport
Can't resist sweets? Sensory scientists have discovered a gene that may be responsible for your sweet tooth. Variations in the gene seem to explain why some mice prefer sweet flavors more than others do, and the same may be true for humans as well.