Is it time to give up on Low-fat foods?

We are surrounded by low-fat foods.

Nearly 10 billion dollars a year are spent advertising low-fat foods - Trying to convince us that we should buy them because they are "good for our health".

It was in the early 1980's when our government suggested that we cut back on our fat intake. Since then food companies have been in "product-development overdrive" churning out low-fat foods.

From low-fat cookies and brownies, to low-fat cheese and yoghurt, you can find a low-fat version of every one of your favorite foods in your local grocery store.

However, before we accept the "low-fat equals good healt message", there are a couple of important things we should think about when it comes to the effectiveness of low-fat foods:

1) If you take the fat out of food, you have to replace it with something. Binders, emulsifiers, bulking agents, and yes sugars like high fructose corn syrup are all used to replace fat. What's more, the foods that traditionally have higher fat, like cheese and yogurt, are the ones that need the most additives once the fat is removed.

2) The low-fat food trend is only 25 years old. And in the last 25 years, as low-fat foods dominated our grocery stores, obesity, diabetes and cancer have all been on the rise. The idea that simply switching to low-fat foods will help us maintain a healthy weight has failed miserably.

3) A recent study examining the lifestyle habits of 18,555 women found that women who ate at least one serving of high fat dairy every day appeared to reduce their risk of ovulatory infertility. While this is only one study, it does have a very large subject group and does lead to the idea that fats may not be as bad for you as once thought. Indeed, even saturated fats may actually have some health benefits.

4) The scientific evidence behind the idea that low-fat eating is healthy is actually pretty weak. It was in the 1950's that a small group of people began to popularize the idea that low-fat eating was healthy eating. Since then hundreds of millions of dollars have been spent on research trying to prove the idea was correct. The results of this research have been so surprisingly weak that it is starting to make many scientists skeptical of the supposed damaging health effects of fat.

5) The "fat is bad" message is very oversimplified. Take butter for instance. Yes it is a source of saturated fat, but it is also almost 25% monounsaturated fats, of which almost 80% is oleic acid, the same type of fat found in olive oil. There are many foods out there that have been wrongly accused of being simply saturated fat.

Bottom line - We need to stop trying blame obesity on the fat in our foods.

As a simple guideline- Eat less, but enjoy the foods you eat. Eat lots of fruits and vegetables, and lots of herbs and spices. And maybe most importantly, spend less time stressing over the types of food you are eating. These are probably the best thing you could do for your health.

BP

The Doctrine of Signatures

It is an unpleasant fact that science will always become outdated.

I am sure that a hundred years from now, schoolchildren will laugh at the principles we currently believe to be absolute scientific truths, just like how we now laugh at what was once "truth" centuries ago.

Take for instance the doctrine of signatures, which states that resemblance is a good indicator of effectiveness. If a particular plant resembles a human ear in its shape, then according to the doctrine of signatures this plant would have some sort of useful relevancy to the ear, perhaps being able to cure an earache.

While this now seems very arbitrary and somewhat unreliable, the doctrine of signatures still could be found in mainstream medical texts well into the 19th century and today is still the main principle of homeopathic medicine.

In fact, the doctrine of signatures can still be found in some nutrition myths that are still popular today. I know it's hard to believe that we would still use the doctrine of signatures with all of the research and scientific advancement that has happened in the world of nutrition, but take for instance fat, protein and cholesterol.

Many people still believe that eating fat will make you fat, that you need to eat large amounts of protein to build large amounts of muscle and that eating dietary cholesterol will make your blood cholesterol levels go through the roof.

Even though many of these "facts" are now largely disputed within the research community, people still believe them.

Why? You ask.

I think the reason is that these days science outdates itself so quickly that we no longer know what to believe. However, don’t blame the scientists for this.

You see, the job of science and scientists is to add to the existing body of research - To do their small part in answering the big question. However, most mainstream journalism and media need quick answers and they needed them yesterday! And this is where the major mistakes happen.

While scientists look at their work as something that helps answer a small piece of the puzzle, media looks at it as “THE ANSWER”.

This “jumping to scientific conclusions” can have dire consequences, as illustrated by one of my favorite articles, written by Gary Taubes and published in The New York Times back in 2002.

I think this is a very important piece of work that everyone should read, so please check it out by Clicking Here and let me know what you think of Gary's take on the last twenty years of nutrition research and policy.

BP

Fasting Diet, Circuit Training

Fat Wars, and Why I Cook with Butter

I've been following some very interesting stories in the news lately.

The first story concerns the City of New York. It seems that the Board of Health for New York City has recently voted to make New York the nation's first city to ban Trans fats at restaurants.

I found this story to be very interesting because as little as two decades ago Trans fats were introduced into our diet as a way to "save us" from the evils of saturated fats like butter and lard. And now research is starting to be published that questions the dangers of saturated fat, while trans fats are being banned by an entire city and David Kats, the director of the Yale Prevention Research Center is describing Trans Fats as "basically a slow form of poison!"

Then just this morning, I read on nutri-ingredients.com that an Australian company has just lunched a new "healthy milk" in China. This "healthy milk" has had all the animal fat removed and replaced with vegetable fat.

mmmmm yummy.

It seems to me that in our never ending quest to blame the foods we eat for our health woes, we keep making Frankenstein versions of food that inevitably come back to hurt us even more than the original versions.

My advice is the same as always. Eat lean and green. Fill your plate with as many vegetables as it can handle, don't be afraid to add as much color into your diet as possible, and try to limit the amount of food you eat that comes in a box.

And lastly, try cooking with butter. Yes butter. It tastes great, it cooks evenly, and at least with butter you know you are adding 2-3 grams of fat to your food, as opposed to some of the alternatives, in which you are adding 2-3 grams of 'who knows what' to your food.

BP

Fasting Diet, Circuit Training