Author Archive

A podcast to ring in the New Year

A podcast to ring in the New Year

Last month I did a podcast with Vinnie Tortorich and Anna Vocino. It went up today on Vinnie’s website and here is a link to it.

The interview doesn’t start until about minute 17 or 18 of the podcast, so you’ll probably want to start there, if not a bit later (say, minute 20 or so) once the intro is over.  We talk about a lot of things, in particular, physical performance and fat adaptation. ...

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Got grit?

Got grit?

Last week a reader posted a link to this short talk from TED Talks Education. (You’ll want to watch it to understand the rest of the post.) I found the talk interesting, and in the talk Ms. Duckworth makes a reference to a Stanford psychologist, Carol Dweck, who has been very influential in my thinking about children and childhood learning.  In fact, when ...

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The War on Cancer

The War on Cancer

A couple of weeks ago Tim Ferriss and I were having dinner and the topic of cancer came up. As some of you may know my background is in oncology, specifically in exploring immune-based therapies for cancer by exploiting the properties of regulator T-cells.  But that was a long time ago.  Like many of you, I expect, I’ve also been personally impacted by cancer having lost a friend to Continue Reading

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My 10 favorite TED talks

My 10 favorite TED talks

You may be thinking, “What does this have to do with nutrition? Or exercise? Or ketosis? Or the other things Peter obsesses over?”  Well, technically, nothing. But since this is a personal blog, I figure every once in a while I can write something for my friends or family members who have zero interest in nutrition or ketosis or VO2 maxes or FTP or RQ or LDL-P… (this list of folks is actually quite long!).

I remember the first time I ...

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Ketones and Carbohydrates: Can they co-exist?

Ketones and Carbohydrates: Can they co-exist?

For reasons I’m still struggling to understand, the idea of “nutritional ketosis” (NK, to be distinguished from starvation ketosis, SK or diabetic ketoacidosis, DKA) is often discussed and debated in much the same way as religion or politics. Perhaps this can be said of all nutrition, which is a shame.  Nevertheless, in my continued defiance of such sensitive topics, I’d like to add another layer of complexity and nuance to this discussion.

As I’ve written about before, I’ve spent much of ...

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How to make a fat cell less not thin: the lessons of fat flux

How to make a fat cell less not thin: the lessons of fat flux

I do still plan to finish the third, and perhaps a fourth, part on the “Ketosis – advantaged or misunderstood state?” mini-series.  However, a question I get often makes me realize a tiny bit of housekeeping is in order before we go there.  The question is basically a variation on this theme: Does being in ketosis automatically translate to fat loss?

For those too busy to read ahead, let me give you the punch line: No. For those who want to ...

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