Sam feltham has done it again that a calorie is not a calorie.
This is what he did for 21 days he ate 5,793 calories a day. The good he ate was cereal, bread, pasta, sugary drinks and chocolate!
With this experiment he gained 7,1 kg and the waist was measured to +9,25 cm.
Last time He did this with a real foods (low carb high fat) diet heput on 1.3kg but lost 3cm from my waist.