Moderators: JeffN, carolve, Heather McDougall
Chimichanga wrote: Jeff,
I have gone through many of the posts in above threads. I agree that first things first -- we have to get the calorie density principle right. Many people are claiming that they have lost lot of body fat, weight on IF but that doesn't tell you what their starting point was. Anyone who is obese, will lose excess weight if they reduced calorific intake by any of the methods. I'm not sure if they are losing even more weight beyond principle of calorie density after they added IF to CD.
Chimichanga wrote: Let's say you have got CD principle right , is there any other advantage to IF above and beyond calorie density, eat when you want till reasonably full? .
Chimichanga wrote:I have listened to Diane Rehm show you posted and 3 researchers had lots of positive things to say about IF beyond weight maintenance ranging from slowing down ageing, better cognitive functions etc.
JeffN wrote:If people are reversing disease, regaining health and achieving optimal weight with the principles of CD, Esselstyn, Ornish, McDougall, Kemper, etc, etc then how much more is there to go?
Jeff
Chimichanga wrote:With 5:2 and other such things, all I know is people lose some weight, compare to what I don't know. What caught my attention is, on non-fasting days, I have seen author eating cheese, yogurt, beacon etc. The message that is sent out is as long as you eat 600 calories on 2 fasting days a week, then it doesn't matter what you do the rest of the days and that is not the right strategy in my opinion.
Benefit of a low-fat over high-fat diet on vascular health during alternate day fasting
Nutrition & Diabetes (2013) 3, e71; doi:10.1038/nutd.2013.14
Published online 27 May 2013
Abstract
Background: Alternate day fasting (ADF) with a low-fat (LF) diet improves brachial artery flow-mediated dilation (FMD). Whether these beneficial effects can be reproduced with a high-fat (HF) diet remains unclear.
Objective: This study compared the effects of ADF-HF to ADF-LF regimens on FMD. The role that adipokines have in mediating this effect was also investigated.
Methods: Thirty-two obese subjects were randomized to an ADF-HF (45% fat) or ADF-LF diet (25% fat), consisting of two phases: (1) a 2-week baseline weight maintenance period and (2) an 8-week ADF weight loss period. Food was provided throughout the study.
Results: Body weight was reduced (P<0.0001) in the ADF-HF (4.4±1.0 kg) and ADF-LF group (3.7±0.7 kg). FMD decreased (P<0.05) by ADF-HF relative to baseline (7±1 to 5±2%) and increased (P<0.05) by ADF-LF (5±1 to 7±2%). Blood pressure remained unchanged in both groups. Adiponectin increased (P<0.05) in the ADF-HF (43±7%) and ADF-LF group (51±7%). Leptin and resistin decreased (P<0.05) in the ADF-HF (32±5%; 23±5%) and ADF-LF group (30±3%; 27±4%). Increases in adiponectin were associated with augmented FMD in the ADF-LF group only (r=0.34, P=0.03).
Conclusion: Thus, improvements in FMD with ADF may only occur with LF diets and not with HF diets, and adipokines may not have a significant role in mediating this effect.
JeffN wrote:Chimichanga wrote:With 5:2 and other such things, all I know is people lose some weight, compare to what I don't know. What caught my attention is, on non-fasting days, I have seen author eating cheese, yogurt, beacon etc. The message that is sent out is as long as you eat 600 calories on 2 fasting days a week, then it doesn't matter what you do the rest of the days and that is not the right strategy in my opinion.
I don't think we have very good evidence that you can really get away with that over the long-term and be successful. For one thing, we don't have any such data and another thing, you are leaving people in the pleasure trap, which, as we all know, is a powerful issue.
Conclusion: Thus, improvements in FMD with ADF may only occur with LF diets and not with HF diets, and adipokines may not have a significant role in mediating this effect.
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