Basic Medicine:Secrets of the Sequence（7）
Humans have evolved to have a preference for sweet things. We have a "sweet tooth" because we need sugars to provide energy for the cells in our bodies. But modern man may be getting too much of a good thing. The western world is facing an epidemic of obesity and a rapid increase in cases of diabetes. But what if there were a natural substance low in calories and much sweeter than sugar? Our ability to track down and manipulate genes could mean sweeter times are just around the corner. Here's the brazzein.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/16 11:28:04