Study of fruit flies could help us understand food choice in obese people (10/10/13 07:00:00 UTC)
Think of the smell of freshly baking bread. There is something in that smell, without any other cues - visual or tactile - that steers you toward the bakery. On the flip side, there may be a smell, for instance that of fresh fish, that may not appeal to you. If you haven't eaten a morsel of food in three days, of course, a fishy odor might seem a good deal more attractive...