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Well Beyond 40

Mastering Your Internal Symphony

Well Beyond 40

JJ Virgin

Fitness, Health & Fitness, Nutrition

4.51K Ratings

🗓️ 10 April 2026

⏱️ 11 minutes

🧾️ Download transcript

Summary

Deanna Minich is a nutrition scientist and functional medicine expert who specializes in how food, light, and lifestyle impact whole-body health. She’s known for blending science with practical strategies to help people reconnect with their body’s natural rhythms. Today’s topics: (00:00) Why your body operates like a symphony of internal clocks and what happens when that rhythm is disrupted. (00:48) How light entering your eyes signals the brain to regulate melatonin and synchronize your entire body. (02:05) What happens when you follow natural light cycles, as seen in traditional cultures living without artificial light. (03:21) How your body adapts to extreme environments like Iceland or Alaska and why timing still matters. (04:48) Why time comes before hormones and metabolism in determining your overall health. (05:26) How disrupted sleep and circadian rhythm may be a major driver of poor metabolic health. (06:20) What “circadian syndrome” is and how it connects sleep, mood, and chronic disease. (07:57) How to measure and optimize your light exposure to reset your rhythm and improve your health. Listen to the full episode: https://youtu.be/ZJZcEfxAVmU?si=p4mfYBgdK5-FEpWO Full show notes (including all links mentioned): https://jjvirgin.com/timeyourlife Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

You say our bodies are a symphony of clocks. Now, what happens if the conductor goes missing?

0:08.4

Are most of us living out of rhythm without even realizing it?

0:12.2

Most of us are definitely living out of rhythm. So we wake up tired, we're going to bed late, we're eating at off times, we're stressed.

0:20.8

I mean, basically,

0:21.9

you would look at our culture and say, gosh, nobody is really living in rhythm. And the biggest

0:26.2

thing that is throwing our conductor off rhythm is artificial light at night. So having that

0:32.7

electric around us when it should be dark is really disrupting our eyes, which is sending the wrong signal

0:40.4

to the conductor, which actually lives in the brain. So within the brain, we have this cluster of

0:45.7

10 to 20,000 neurons. And when the light comes into the eyes, then signals what you're calling

0:52.0

the conductor in the brain. Then we get the release

0:54.8

ultimately of melatonin from the pineal gland, which then goes to all of the different cells in the

1:00.2

body and synchronizes all of our clocks. So every night, we are essentially being pulled back into

1:07.4

that natural rhythm. But like you said, a conductor can go missing or it can be disrupted

1:12.2

in some way. Or it has to go to a party. Things happen. Yes, there's social jet lag, all kinds of things.

1:18.1

I would also assume that natural light is very different than artificial light. Yes. Or is your brain

1:24.9

going to interpret them differently or what happens there? You know, how would you hack this? Like I was just in Ecuador for 11, 12 days with the Amazon indigenous tribes. I kid you not. That's amazing. And as we're going through this, I'm realizing that was actually a really interesting experiment about circadian rhythm. they it's Ecuador it's right at the

1:45.7

equator their days don't change and so it becomes light every morning at six it gets dark every

1:51.7

night at six because of that they go to bed at six o'clock at night and they get up around two in the

1:56.2

morning right which is wild to me the women get up around two because they do all this work for the men.

2:02.1

That was also wild for me. I was like, this is interesting. And the men kind of start around three or four o'clock in the morning.

2:10.1

Everything is dictated by natural light, you know. So what happens when things get disrupted with this light is can we do it if we, let's say,

2:19.8

are living in Iceland and it's winter?

...

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