Sorry - the figures in my above posting are wrong. A calorie defiicit of 500 per day = 3500 per week which will lead to a weight loss of almost 0.5 kilos as the calorie deficit to lose one kilo is indeed 7500.
Sorry to have got my maths wrong....
regards
Morecambe
I underwent a total colectomy/ileorectal anastamosos in 2004. After the surgery I found that I had lost weight - presumably from the interval between surgery and the commencement of normal eating habits until my intestines had settled down. After this surgery the motions are usually much "looser" so that at least weight gain as a result of constipation and/or retention of faecal matter is less likely to occur. As time went by I did regain weight but when I decided to shed weight to try and get my BMI in the ~23 range, I found that the normal dieting regimes sufficed. I am told that the average female requires ~2000 calories per day and that a calorie deficit of 500 per day (=7500 per week) should result in a weight loss of one kilo. I.e. you need to "undereat" ~7500 calories in order to shed one kilo. Obviously this is a theoretical average figure and individual responses to such a calorie deficit may vary.
regards
Morecambe