The way they showed the graph in the ending is very misleading with having the cake appear to be on a scale of 100 but not the apples. Making it look like apples gain much more then if it would have been on the same scale as the cakes. This would not fly in a peer-preview article.
well now your left with slices that wont stay good as long, so its not really a solid theory, you should have a sign up with the calories of a cake and the calories of an apple and just see the results, would be better. i think
How many times was this experiment repeated? How many subjects were in each group? Where was this test held? The video is pointless without such information.