The latest Grand Rounds was posted yesterday at Fat Doctor. Lots of great stuff, as usual.
More like this
The following post was originally published on Obesitypanacea.com on October 7, 2009.
When many people set out to exercise, they do so with the primary goal of losing fat mass. There is much advice floating around about how to optimize or maximize fat loss during exercise; one of the most commonly touted is that of the fat burning zone.
In his post last Friday, Peter did a very nice job of introducing the the counter-intuitive idea that having too little fat, rather than too much, causes many of the metabolic problems of obesity. 
There are two kinds of fatty acids: saturated and unsaturated. Saturated fatty acids have no carbon-carbon double bonds (-CH=CH-), they have only (-CH2-CH2-) single bonds.