00:00 – Podcast Intro
Welcome to Your Genes by Design, a mini podcast with host Lauri Wakefield. Each week, Lauri shares short, story-driven episodes that explore how your DNA influences the way your body works. From glucose and hormones to gut health, detox, and so much more. Designed especially for women 45 and beyond, these bite-sized lessons show that while your genes set the tendencies, your choices shape the outcome. Now, here’s Lauri with today’s episode.

00:31 – Episode Introduction
Hi, I’m Lauri. Thanks so much for joining me today.

00:34 – Everyday Cognitive Concerns
Today we’re going to look at something many women go through in midlife, wondering if your memory’s fading. You might notice it while you’re talking to someone because you’re trying to remember a word or the name of something or someone. Or it happens when you walk into a room and forget why you walked in there. You may have days when your mind feels sharp and other days it doesn’t. These patterns don’t necessarily mean your memory is fading or you’re experiencing cognitive decline. But it can be one of those things you don’t really want to bring up in a conversation with a family member, a friend, or a doctor. You just don’t want to draw attention to it. So you quietly keep it in the back of your mind. In this episode, we’re going to look at how cognition changes as you age and how genes like APOE, Compt, SOD2, and PPARGC1A shape memory, focus, stress tolerance, and long-term resilience. I don’t know about you, but I’ve had times when I’ve wondered about myself. Even dating back to my 30s, I’ve frantically been looking for my keys and I’m holding them in my hand, or looking for my sunglasses, and my kids would tell me they’re on your head, mom. It’s kind of funny in some ways, but times like that can leave you wondering where’s my mind going? So it doesn’t necessarily mean all of a sudden it appears in midlife, but it can happen more often. These experiences aren’t random, they’re rooted in how your

01:49 – What’s Happening in the Brain
brain uses oxygen, how well your neurons handle stress, how efficiently you produce energy, and how your genes influence inflammation and repair. Midlife brings natural shifts in all these areas, and your genes help explain why your patterns look the way they do. Cognitive changes in midlife often surprise women because they show up subtly, long before major symptoms would ever appear. Three big things start to happen in midlife. Number one, estrogen drops. An estrogen is a brain hormone. It supports memory, synaptic flexibility, and even how your brain handles glucose. Number two, your stress response may get stronger or just be more noticeable because without estrogen buffering cortisol, your brain manages stress differently. Number three, mitochondrial efficiency matters more. Mitochondria are the energy centers that power focus, memory, and mental clarity. They’ve always followed the same genetic patterns, efficient in some areas and slower in others. Those patterns don’t suddenly change in midlife. The brain simply has less capacity to compensate for them. Cognitive changes in midlife aren’t unusual. They reflect how efficiently the brain can produce and sustain energy under daily demand, not that reserve capacity is lower than it once was.

03:04 – Genes That Shape Cognitive Resilience
Let’s talk about a few genes that shape cognitive resilience. APOE You may have heard of the APOE gene because of its association with Alzheimer’s risk. In everyday terms, APOE affects how the brain uses fats, manages inflammation, and moves cholesterol within the brain. If you carry the APOE three or four genotype, which many women do, the brain often functions best with stronger support for omega-3 fatty acids, antioxidant protection, steady glucose availability, and stress and inflammatory load regulation. This doesn’t predict decline, it describes how the brain prefers to be supported. The COMT gene. COMT influences how quickly you clear dopamine and stress metabolites. A slower COMT type may feel more sensitive to overstimulation, multitasking, or stressful deadlines. A fast comp type may need more support for attention and sustained focus. This is one reason why some women feel mentally wired but tired, while others feel scattered. It’s simply your dopamine clearance pattern. SOD2 helps protect mitochondria from oxidative stress. With the GG genotype, mitochondria often require a stronger antioxidant support, especially during periods of poor sleep stress or higher toxin exposure. SOD2 influences clarity more than most people realize. PPARGC1A. This gene is all about mitochondrial efficiency. Supportive variants help your cells make energy more efficiently, which affects focus, stamina, recovery, and even mood. Many women with strong PPARGC1A patterns notice that movement clears their mind instantly. That’s mitochondria in action. These genes don’t determine outcomes, they help you understand what supports your energy. You may notice certain cognitive patterns that show up consistently for you.

05:00 – Everyday Cognitive Patterns
You think more clearly after movement, like taking a walk or exercising. Multitasking drains you faster than it used to. Poor sleep leaves your mind feeling overstimulated or foggy. Stress interferes with recall, like making it harder to find a word or remember a name. Some supplements feel too activating. Food has a clearer effect on focus and mental energy. Earlier in life your system could compensate quietly, but now it gives you clearer feedback. So it’s not that midlife causes these patterns, midlife just makes them easier to notice. These aren’t signs of decline, they reflect how your body how your brain responds to energy stress and recovery as your physiology changes with age. Once you understand these patterns, the way you support your brain becomes simpler and more aligned. So what helps with all of this? A few grounded, evidence-based choices can make a big difference. Support your mitochondria daily. Light movement, deep breathing, and omega-3s support PPARGC1A and SOD two patterns.

06:05 – Practical Support for Cognitive Resilience
Stabilize glucose for cognitive clarity. Brain fog is often fuel related, especially after 45. Steady meals, protein, and balanced snacks protect brain energy. Modulate stress based on your comp to type. Slow comp types do better with calming rhythmic routines. Fast comp types may need more B vitamins and magnesium to support dopamine use. Support APOE resilience through food and lifestyle. Berries, leafy greens, olive oil, DHA, and antioxidants help your brain clear inflammation and stay sharp. Honor your brain’s rhythm. Most women have a cognitive peak time each day, usually morning for slow comp types and early afternoon for fast comp types. These patterns show where your support has the biggest impact. If any of these moments resonate, they’re worth paying attention to. They show you how the brain handles energy, stress, and recovery, and that perspective can quietly change how you relate to them.

07:03 – Takeaways & Resources
That’s going to wrap things up for this episode. If today’s episode helps you see your cognitive patterns more clearly, follow the Your Genes by Design podcast and share it with a friend. If you want a deeper foundation, I’ve created a new course called Understanding Genomics A Practical Foundation, which teaches how to move beyond single genes and understand genomics through systems and patterns. I’ll include a link in the show notes for people who are interested in learning more about genomics. If you’d like to learn more about me and the work I do, you can visit my website at inspiredlivingforwomen.com. Thanks again and have a great day.