The Science of Emotion (Midlife, Hormones & Your Brain)

If you’re a woman in midlife feeling overwhelmed, anxious, wired but tired, or waking up at 3AM wondering what’s wrong with you—this episode will change how you understand your body.

In this episode, Peggy Moore, RN and Functional Medicine Practitioner, breaks down the science of emotions, brain chemistry, and cortisol in a simple, relatable way. You’ll learn how your thoughts directly influence your brain, trigger stress hormones like cortisol, and shape how your body feels.

We explore why midlife makes emotional regulation more challenging, how unprocessed stress keeps your body in a constant state of alert, and why habits like overeating, scrolling, or drinking are actually your brain seeking relief.

You’ll also learn a simple 4-step process to regulate emotions, reduce stress, and support your nervous system so your body can feel safe again.

Because your body isn’t broken—it’s responding.

Keywords: midlife health, cortisol, stress, hormones, emotional regulation, brain chemistry, sleep issues, women over 40, functional medicine, anxiety, metabolism

Barrett, L. F. (2017). How emotions are made.
 Damasio, A. R. (1999). The feeling of what happens.
 Doidge, N. (2007). The brain that changes itself.

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Transcript

SPEAKER_00 0:00

Hello, friends, and welcome back to Discover Your Personal Power, Hormones, Metabolism, and Midlife. My name is Peggy Moore, and I'm a registered nurse and functional medicine consultant and your translator for what your body is trying to say in midlife without you needing to piece it together from 10 different articles that all say something different. Today we're talking about something that is not talked about enough: your emotions. We're talking about the physiology of emotions, what's happening in your brain and your body, and why this matters so much in midlife. Let me simplify this a little. Every emotion you feel is your body responding to a chemical signal from your brain. You have a thought, your brain releases chemicals, and your body feels something. Your brain doesn't actually respond to reality, it responds to what you're telling it is happening. So if your thoughts are, this is overwhelming, I can't handle this, or something is wrong, your brain releases stress chemistry and your body feels it. Your body and brain's main job is to protect you and keep you safe. So when you have these thoughts, your brain can release cortisol. Cortisol is your body's primary stress hormone. And in midlife, it becomes one of the most important hormones to understand. Let's clear something up. You need it to wake up in the morning, you need it to have energy, and you need it to respond to stress and keep you safe. But the issue isn't cortisol itself, it's how often it's activated and how long it stays elevated. Here's the connection that's sometimes hard to realize. When emotions are not processed, our cortisol stays elevated. Think of it like this: your brain is the DJ and your body is the dance floor. Whatever song your brain is playing, your body has to dance to it. But cortisol, cortisol is that alarm system in the building. And in midlife, that alarm system gets more sensitive. Now, later in midlife, with hormone shifting and sleep disturbances and stress, that it's higher because of all the things that we have to do in midlife. Blood sugar is less stable. We already understand that estrogen and progesterone fluctuate in midlife. Estrogen tends to fluctuate and it often declines in midlife, which means that your nervous system becomes more reactive to stress because estrogen is actually a little bit of a buffer for that in the brain. So now in midlife, when that estrogen is fluctuating and declines, small things start to feel bigger. Your patience is lower, your sleep is lighter, and sometimes your brain feels like it just won't shut off. And you might think, why am I so emotional lately? And the real answer is your stress response system is more sensitive. I often hear women saying, I just don't know why I feel this way. And let's talk about this phrase. I don't know why I feel this way. But here's the truth: you do, you just don't have access to it in that moment. Because your brain actually has two parts. It has the writer or the logical brain and the elephant or the emotional brain. And when the elephant or the emotional brain takes over, the writer is just hanging on. The elephant's job or that emotional part of your brain is there to keep you safe, avoid discomfort, and protect you. So when something feels uncomfortable, your brain says, Nope, we're not going there. This is not weakness. This is survival physiology. So what happens when these feelings show up? We don't sit with it. We tend to fight with it or overthink it or distract ourselves by buffering, say. So we do things like overeat or overspend or drinking or scrolling or binge watching or vegging on the couch because we just don't want to deal with those feelings. And again, no judgment. But here's what's happening physiologically. Your cortisol goes up, the discomfort actually increases, and your brain looks everywhere for relief. And so it reaches for dopamine. And now your brain learns that stress can get me dopamine, which gives me relief. And this pattern wires and rewires over time. This is called neuroplasticity. But here's the problem: the dopamine soothing effects are temporary, but the cortisol signal never gets resolved. So your body stays in this low-grade stress mode. And this tends to impact your sleep, your energy, your mood, your weight, and your hormones. In midlife is a perfect time as we're learning to listen to our body, is to feel those feelings without fleeing. This is where everything changes. Instead of escaping the feeling, we learn to sit with it because emotions are just temporary. They're temporary chemical waves in the body. And research has actually shown that they last about 60 to 90 seconds when processed. So the goal is not never feel uncomfortable. The goal is to stop interrupting the process and let's just feel the feeling and move through it. There's a four-step process that's taught in life coaching that I want to share with you. We catch the feeling, we name it, we get curious, and we change the story. I want to explain this a little bit further. So we catch that feeling. What am I feeling right now? Am I tense? Am I feeling stressed? Am I feeling overwhelmed? We learn to name it. See how I gave it that name? Ah, I'm learning, I'm catching that feeling and I'm naming it. I feel anxious or I feel overwhelmed. When we name it, we reduce its intensity. We also give it something that we can work to overcome, right? When we give something a name, we're like, oh, I can fix that. And we get curious what thoughts are happening in our brain that are causing this feeling? What thoughts do we have that are causing us to feel anxious or overwhelmed? And as we think about those thoughts, after those feelings move through, we can change our thoughts. We have that ability. We have the ability to change what we choose to think about something. We can see it in a new light, one that creates safety and peace for our body. After we've let that emotion, that initial emotion, pass through and we analyze our thoughts, we can learn to change our thoughts to ones that better serve us. Emotions are like waves. If you fight them, you'll get knocked over. If you run, they'll chase you. But if you allow them to process, they will pass. In functional medicine, we think of this not just as mindset work, but also nervous system regulation, cortisol regulation, brain chemistry, and physiology. When you're supporting your body with stable blood sugar, quality sleep, proper nutrition, and stress regulation, your body actually becomes less reactive. Your cortisol is able to stabilize and your emotions feel more manageable. This week, I want you to just take some time to notice your emotions. Watch your patterns and identify your buffers. Do you tend to veg on the couch? Do you binge Netflix? Do you go on Amazon, fill up your Amazon cart? What are things that you do to avoid feeling those emotions? Notice them and identify what you're doing, and you can learn to change the process. Practice the four steps. And most importantly, be gentle with yourself. As we recognize the biological and physiological changes happening in midlife with estrogen and progesterone, and we recognize that our brain is more sensitive to stress by learning to recognize that we can change our thoughts to create the emotions that we want, that we can learn to let emotions pass instead of buffering them. We learn to give our body a new kind of support. Midlife is a time of biological and physiological change. Your body is responding to all the input that is around it. Your body is communicating to you by signals and symptoms. Every thought you have is creating a signal in your brain, and your brain is turning that signal into chemistry that your body feels. So when your body feels off, it's not random and it's not failure. It's feedback. It's telling you maybe my energy stability needs some support. Maybe my stress response, my cortisol, is activated too long and I need to take a break. Maybe your nervous system has been working over time for so long. Your body is trying to figure out are we safe? Are we under pressure? And right now it may be interpreting too many things as stress. So this isn't about pushing harder. This is about helping your body to feel safe, to regulate stress, and come back into rhythm. Because remember, your brain is that DJ and your thoughts are the playlist. And your body, your body is going to dance to whatever is playing. And we can change that rhythm. When we support cortisol, when we stabilize energy, when we stop fighting the signals, our body is able to settle, our mind starts to quiet, and yes, our sleep can improve too. If this episode resonated with you, if you're starting to see how your thoughts, your stress, your hormones, and metabolism are all connected, share this with a woman who is lying awake at 3 a.m. wondering what is wrong with her. Because chances are nothing is wrong. Her body just needs a better rhythm on the dance floor. This is Peggy Moore with Discover Your Personal Power, Hormones, Metabolism, and Midlife. I'll see you in the next episode.