Weekly Emails

Fasting and conserving energy

I think most casual fans of cycling know that riding in a peloton can provide an energy savings, but this just floored me

Weekly Emails

The keto buffet

This week, I’m doing a one-week fast. I try to do this once a quarter.

Weekly Emails

Living with Alzheimer’s

North is to south what the clock is to time
There’s east and there’s west and there’s everywhere life
I know I was born and I know that I’ll die
The in between is mine
I am mine

– Pearl Jam

Weekly Emails

Arrogance, humility, and the podcast launch

Good practice for docs to read such reports weekly—an excellent reminder of how little we know.

Weekly Emails

Podcast is up!

Thank you all for cajoling me into doing a podcast. It’s been a lot more enjoyable producing them than I anticipated.

Weekly Emails

Podcast, AMA, Lp(a), and Dr. Rosenrosen

Bob Kaplan, my head analyst, had the opportunity to drink all of my espresso while he “asked me anything.”

Ketosis & fasting

My experience with exogenous ketones

Theory to anecdote: I decided to find out for myself if ketones could, indeed, offer up the same amount of usable energy with less oxygen consumption.

Weekly Emails

I don’t want to talk about it…

This week, I’m moved to share one of the most important books I’ve read, reread, and gifted to many friends

Weekly Emails


I was struck how I was rooting for (and fascinated by) Kipchoge and everyone involved in the preparation and execution, but even more so I felt like I was rooting for us as a species. 

Weekly Emails

Does it help to know your coronary artery calcium score?

I read an interesting paper on fitness, cardiovascular disease (CVD), and coronary artery calcium (CAC) scores from the Cooper Center Longitudinal Study. This paper looked at “generally healthy middle-aged men” and associations between their level of aerobic fitness, CAC scores, and risk for CVD. So why was this interesting to me (and by extension, should you care)?

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