Dr. Courtney Conley: Dementia, 4,000 Steps, Big Toe & The 6th Vital Sign
6/2/20261 hr
I sat down with Dr. Courtney Conley and what she told me stopped me cold…your walking speed can predict dementia up to seven years before the first cognitive symptom appears, which is why scientists are arguing it should be added to blood pressure and temperature as the sixth vital sign. We got into the mechanism behind it: BDNF, hippocampal neurogenesis, and why 4,000 steps a day can cut dementia risk by roughly 50% and I walked away convinced this is the most under-prescribed medicine of the 21st century.
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First 90 secondsCourtney Conley· Guest0:00
If you were to ask someone what they wanna be doing in the last decade of their life, every single person would say walking In older populations, foot strength and the foot mechanics have gotta be so inherently connected to longevity because of the fall risk. I really want to stress that walking should be a physiological necessity on the same importance as breathing and sleeping. Those three things, when optimally done, this is what it's about. This is longevity.
Gary Brecka· Host0:27
And that's what's inspiring to me about the longevity science is, is that a lot of it is just a back to the basics approach.
Courtney Conley· Guest0:33
Us being a biped, it is literally what defines us as a human being, and it's a part of our body that was designed to handle loads. But when it's ignored or put in footwear that is ill-fitting or doesn't fit or respect the anatomy of the foot, you're gonna have problems.
Gary Brecka· Host0:51
If we just back up for a second, somebody's watching this podcast and starting to be convinced that I need to walk more, where do they start?
Courtney Conley· Guest0:58
What I will tell my patients... Listen. Ultimate Human.
Gary Brecka· Host1:09
Hey, guys. Welcome back to the Ultimate Human podcast. I'm your host, human biologist Gary Brecka, where we go down the road of everything anti-aging, longevity, biohacking, and everything in between. Today's guest is a really, really special guest, uh, because as I was doing the talent research