Dietitian's corner

[JannievanZyl]

Have a read of the attached article which expands on the effects of saurated fat intake amongst other fats.

 

I haven't read the full article you mention, and would be curious to read what was said specifically about saturated fat.

 

Some of these "new" thoughts mentioned have been in the pipeline for many years. For example I can't remember the year when dietitians stopped believing that dietary cholesterol raised blood cholesterol it was so long ago.

 

Speaking for myself, there is flexibility when total dietary fat % is calculated. Nonetheless I still advocate incorporating healthy fats into ones diet.

Thanks for the article. Will read it later tonight when I can focus on it.

 

What do you define as healthy fats? Think we all agree trans-fats are evil and I then put plant-based PUFAs after that due to its pro-inflammatory tendencies. 

 

But then my list pretty much is exhausted. I definitely put saturated fats on my good fat list. After all, that's what we store in our own bodies and what we feed our babies.

 

Medium chain saturated fats have been shown to be especially beneficial.

[SimpleDom]

We all carry different combinations of genes which make us more or less suitable for different dietary and exercise methodologies. Cards on the table - I don't believe strict Banting is good for us. I think it can facilitate weight loss, especially in the beginning, but long term effects still remain to be clarified. Cutting out food groups and being so restrictive is not healthy. I do believe though that, based on studies, saturated fat is not the devil we once thought it was in terms of cardiovascular disease, but saturated fat is still pro-inflammatory, as is sugar. And hence both need to be moderated. Eating excessive amounts of protein/fat like bacon, which has carcinogens from curing and smoking the meat, is suicidal in my opinion, even if current thinking says it is okay on a Banting level. I agree that at the end of the day we are all unique, and hence have to find what works for us individually. But looking after one's health should be a priority for everybody most of the time.

You were doing OK sitting on the fence until this post. Saturated fats inflammatory? You sure? Look carefully at studies that claim they are. They're usually loaded with other things that are inflammatory.

 

I encourage you to read more on the science, and critically analyse their foundation. On both sides of the argument. Too many people read the title and conclusions and accept these as fact.

[SimpleDom]

Have a read of the attached article which expands on the effects of saurated fat intake amongst other fats.

 

I haven't read the full article you mention, and would be curious to read what was said specifically about saturated fat.

 

Some of these "new" thoughts mentioned have been in the pipeline for many years. For example I can't remember the year when dietitians stopped believing that dietary cholesterol raised blood cholesterol it was so long ago.

 

Speaking for myself, there is flexibility when total dietary fat % is calculated. Nonetheless I still advocate incorporating healthy fats into ones diet.

This article refers to another to reference proof that saturated fats cause increase in central fat deposits. The referred to article shows a diet consisting of 47% carbohydrate. Oh dear.

[JannievanZyl]

Primary cause for chronic inflammation:

 

1. Fructose

2. Glucose/carbs

3. PUFAs, i.e. Vegetable Oils 

[Sports Certified Dietitian]

Thanks for the article. Will read it later tonight when I can focus on it.

 

What do you define as healthy fats? Think we all agree trans-fats are evil and I then put plant-based PUFAs after that due to its pro-inflammatory tendencies. 

 

But then my list pretty much is exhausted. I definitely put saturated fats on my good fat list. After all, that's what we store in our own bodies and what we feed our babies.

 

Medium chain saturated fats have been shown to be especially beneficial.

The Cochrane review published on the 15 June 2015 which analysed 15 studies (59000 participants) points to a small but significant effect when reducing dietary saturated fat intake. (see attached Cochrane review).

 

All fatty acids, irrespective of their origin or nature, can potentially get stored in our bodies. An example are our cell membranes which consist of phospholipids. A diet rich in saturated fat will lead to more phospolipids containing saturated fatty acids, and hence will have an effect on the characteristics of cell membranes.

 

In terms of inflammation, the picture isn't as clear cut as one would want in order to make definitive statements. More long-term, decent research is required. However, I still advocate reducing saturated fat, and substituting it with mono and polyunsaturated fat, ideally with omega 3 fats from plant and marine sources included. (see attached article for inflammation).

 

As atherosclerosis and inflammation go hand in hand, following the Cochrane review approach would also lead to reduced inflammation in my opinion.

Effect of cutting down on the saturated fat we eat on our risk of heart disease _ Cochrane.pdf

Modulation of obesity-induced inflammation by dietary fats (Review).pdf

[Captain Fastbastard Mayhem]

 However, I still advocate reducing saturated fat, and substituting it with mono and polyunsaturated fat, ideally with omega 3 fats from plant and marine sources included. (see attached article for inflammation).

 

Oh goodness... 

[Sports Certified Dietitian]

You were doing OK sitting on the fence until this post. Saturated fats inflammatory? You sure? Look carefully at studies that claim they are. They're usually loaded with other things that are inflammatory.

 

I encourage you to read more on the science, and critically analyse their foundation. On both sides of the argument. Too many people read the title and conclusions and accept these as fact.

I'm happy to not sit on the fence if indicated, but in terms of inflammation, as I have a duty to provide the best available knowledge as I can, I'd rather err on the side of caution than make premature statements.

 

Current research (see attached article) is not clear about which fats effect inflammation adversely. More long-term research is required. Till the time comes where sufficient evidence exists to advocate one way or another, I shall promote moderation, especially with saturated fats.

 

There are many confounding factors, and simply isolating a type of fat and making deductions is not the way forward. All macronutrients come packaged in food, with many different nutrients and components in it. Before I say that saturated fat is totally safe to have ad libitum, more research taking into account all these factors needs to be conducted. It hasn't been conducted as yet, and hence I would rather be cautious than jump on the bandwagon.

Modulation of obesity-induced inflammation by dietary fats (Review).pdf

[Sports Certified Dietitian]

Primary cause for chronic inflammation:

 

1. Fructose

2. Glucose/carbs

3. PUFAs, i.e. Vegetable Oils 

Could there not be secondary causes of chronic inflammation Jannie?

 

What about the arachadonic acid from saturated fat sources promoting inflammatory cytokines?

 

What about saturated fat intake in the presence of a high carb diet exacerbating inflammation?

[Sports Certified Dietitian]

Primary cause for chronic inflammation:

 

1. Fructose

2. Glucose/carbs

3. PUFAs, i.e. Vegetable Oils 

Could there not be secondary causes of chronic inflammation Jannie?

 

What about the arachadonic acid from saturated fat sources promoting inflammatory cytokines?

 

What about saturated fat intake in the presence of a high carb diet exacerbating inflammation?

[Sports Certified Dietitian]

Oh goodness... 

I can tell you don't like that...

 

Havea  read of this: http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD011737/abstract;jsessionid=D323DB4557FEDE451449A181B59275E5.f03t03

[Sports Certified Dietitian]

This article refers to another to reference proof that saturated fats cause increase in central fat deposits. The referred to article shows a diet consisting of 47% carbohydrate. Oh dear.

So are you implying that central fat deposition wouldn't take place if carbs were lower? Show me the scientific evidence for that and I'd be happy to take that onboard. 

[Sports Certified Dietitian]

This study effectively goes against everything that is coming out now - ie: Saying saturated fat makes you fat, lowers your metabolism, makes you want to eat more and links to obesity and cardiovascular disease / cancer...

 

Correct? 

 

IE: It's taking old (debunked) research, and (even though it's being done in 2005) is still saying that a diet high in carbs, low in saturated fat and higher in unsaturated fats is good for you... 

 

Or am I completely misreading it?

The article is a review of previous research in the area.

 

If I remember I attached it to a comment we had to make a point that whatever we put into our bodies, there are many effects, and that includes saturated fat.

 

For the most part, high carb diets are not recommended like in the past, unless it is indicated for an individual specifically. Times have changed...

 

But I don't think we should discard all previous research as circumstances evolve.

[Captain Fastbastard Mayhem]

I can tell you don't like that...

 

Havea read of this: http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD011737/abstract;jsessionid=D323DB4557FEDE451449A181B59275E5.f03t03

Which is now being shown as complete and utter codswallop,by an ever increasing body of evidence.

 

But hey. I don't know enough to form an educated opinion on this. I leave it up to guys like you and noakes etc. But when you are saying that you recommend the replacement of saturated fats with PUFAs, I stop listening.

[SimpleDom]

So are you implying that central fat deposition wouldn't take place if carbs were lower? Show me the scientific evidence for that and I'd be happy to take that onboard. 

 

I'm saying the Carbs cause the fat deposition. Being in your area of knowledge, I don't think you need me to find you an article to back it up? If you do, I'm sure I can find some.

[JannievanZyl]

The Cochrane review published on the 15 June 2015 which analysed 15 studies (59000 participants) points to a small but significant effect when reducing dietary saturated fat intake. (see attached Cochrane review).

 

All fatty acids, irrespective of their origin or nature, can potentially get stored in our bodies. An example are our cell membranes which consist of phospholipids. A diet rich in saturated fat will lead to more phospolipids containing saturated fatty acids, and hence will have an effect on the characteristics of cell membranes.

 

In terms of inflammation, the picture isn't as clear cut as one would want in order to make definitive statements. More long-term, decent research is required. However, I still advocate reducing saturated fat, and substituting it with mono and polyunsaturated fat, ideally with omega 3 fats from plant and marine sources included. (see attached article for inflammation).

 

As atherosclerosis and inflammation go hand in hand, following the Cochrane review approach would also lead to reduced inflammation in my opinion.

Must say, that was not the conclusion most people made on that Cochrane study. It does seem, superficially, that a reduction in saturated fat reduces CVD events. Till you read it carefully.

 

Here is a overview:

 

http://nutsci.org/2011/08/12/latest-cochrane-review-on-dietary-fats-and-cardiovascular-disease/

[JannievanZyl]

The Cochrane review published on the 15 June 2015 which analysed 15 studies (59000 participants) points to a small but significant effect when reducing dietary saturated fat intake. (see attached Cochrane review).

 

All fatty acids, irrespective of their origin or nature, can potentially get stored in our bodies. An example are our cell membranes which consist of phospholipids. A diet rich in saturated fat will lead to more phospolipids containing saturated fatty acids, and hence will have an effect on the characteristics of cell membranes.

 

In terms of inflammation, the picture isn't as clear cut as one would want in order to make definitive statements. More long-term, decent research is required. However, I still advocate reducing saturated fat, and substituting it with mono and polyunsaturated fat, ideally with omega 3 fats from plant and marine sources included. (see attached article for inflammation).

 

As atherosclerosis and inflammation go hand in hand, following the Cochrane review approach would also lead to reduced inflammation in my opinion.

I noticed the paper you posted on inflammation called PUFA pro-inflammatory.

 

Kinda what I said.