Newsletter

“Your old panel was a snapshot. I can see more in it today”

Hey Reader, Dr Karl here. You're getting this because we've actually worked together either recently or in the past. Your panel was in my file, and I read it the way I read everything — not by asking whether your numbers ...

Meet Sarah. Everything looked fine. Nothing was.

47, up 25 pounds, wiped out by 2pm, told to eat less and move more. Here's what was actually going on. Sarah is 47, about 25 pounds over where she wants to be, exhausted by mid-afternoon, foggy, and sleeping without ever feeling rested. She'd already tried keto, intermittent fasting, more cardio, less cardio, three different ...

The two layers that go deeper than blood

Hey Reader, Dr Karl here. A blood draw is one moment. Your hormones move all day, and your genes never change.Two of the most useful questions about your health can't be answered by a blood panel at all. What is your signaling system doing across a whole day? And which ...