Dr. Scim holds up a lean mouse in this recent but undated handout ...
9th Nov 2005, 02:19 GMT
(Canadian Press) - Dr. Scim holds up a lean mouse in this recent but undated handout photo in Ottawa. In a discovery with implications for fighting obesity in humans, Canadian scientists have discovered a molecular switch that regulates the creation of new fat cells in specially bred lab mice. (CP/HO/OHRI)