Biochemistry

How can carbohydrate restriction be healthy if it means limiting “natural foods” like fruits and vegetables?

This week I’d like to tackle one of the most important questions that I get asked.  However, before getting to the question, I think it’s worth investing a few minutes to frame this discussion around a theme tightly linked to it — sugar.

Biochemistry

What are the side effects of aspartame, stevia, and other sugar substitutes?

Once you realize how harmful sugar is (by sugar, of course, I mean sucrose and high fructose corn syrup or HFCS, primarily, but also the whole cast of characters out there like cane sugar, beet sugar, dextrose, corn syrup solids, and others that masquerade as sugar), you inevitably want to understand the impact of substituting…

Biochemistry

Irisin: The magic exercise hormone?

On January 11, 2012, an article was published in the NY Times Health blog section titled, “Exercise hormone may fight obesity and diabetes.”  The article reports on a recently published study in the journal Nature, the abstract of which can be found here.

Biochemistry

Sugar 101 – How harmful is sugar?

Any discussion on the culpability of poor nutrition as the cause of our health woes begins with a discussion on sugar.

Philosophiae naturalis

Revisit the causality of obesity

I’ve written about obesity (i.e., unregulated horizontal growth) being caused by excess insulin, which in turn leads to overeating and under-moving.  This is contrasted with the reverse – overeating causing obesity.  Let’s double-click on this idea using one of the most important laws governing our universe – the First Law of Thermodynamics.

Personal

What I actually eat (circa Q4 2011)

Note to readers: This post was written in December of 2011.  PLEASE do not ask me why I eat ‘this’ or why I don’t eat ‘that’ — as what is shown here does not necessarily reflect what or how I eat today (or more importantly, how you should eat).  My diet evolves constantly, due to…

Cholesterol

What is cholesterol?

I know much more about cholesterol today than I did even two years ago, let alone when I was mindlessly reiterating “standard” cholesterol recommendations to patients years ago.

Biochemistry

You are not what you eat

You are what you eat, right?  How many times have you heard this?  I’d need scientific notation to actually enumerate the number of times I’ve heard this statement or one like it.  I certainly spent most of my life believing this, too, without ever questioning it. In fact, this you-are-what-you-eat dogma plays a significant role…

Ketosis

Is ketosis dangerous?

You may have heard from your doctor that ketosis is a life-threatening condition. If so, your doctor is confusing diabetic ketoacidosis (DKA) with nutritional ketosis, or keto-adaptation.

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