Understanding science

If low carb eating is so effective, why are people still overweight?

I find myself getting asked this question, or some variant of this question, with increasing frequency as I speak and write about the Alternative Hypothesis I find most compelling surrounding obesity and chronic disease.  One implication of the Alternative Hypothesis, as you probably understand by now if you’ve been reading this blog, is that many…

Ketosis

The interplay of exercise and ketosis – Part II

You’ll recall from last week’s post I did a self-experiment to see if I could learn something about the interplay of exercise and ketosis, at least in myself. To understand this discussion, you’ll want to have read Part I of this post. However, before getting to this, I want to digress and briefly address two…

Ketosis

The interplay of exercise and ketosis – Part I

I embarked on a self-experiment last weekend to see if I could better understand the interplay between the different types of exercise I do and ketone production (beta-hydroxybutyrate, or B-OHB, to be specific).  To be clear, nothing I do with a sample size of one “proves” anything, but sometimes self-experiments can help you formulate hypotheses…

Nutritional biochemistry

How do you make that ice cream you keep talking about?

By popular demand: The Peter Attia Ice Cream.

Nutritional biochemistry

Do calories matter?

In a word, yes.  But, technically this is the wrong question.

Nutritional biochemistry

Why Weight Watchers is actually a low carb diet

Invariably I get asked the question, “If carbohydrates are so bad, why did [so-and-so] lose weight on the [such-and-such] diet?”, where “such-and-such” diet is not a “low-carb” diet. Obviously, this is an important question and a pretty complex one.

Nutritional 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.

Nutritional 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…

Understanding science

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.

Nutritional 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.

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