Articles by Dr Stacy Sims

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Tags: perimenopause

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Coffee, Decoded: What the Research Actually Says About Caffeine and Women

I'll say it upfront: I love my coffee. My mornings typically start with a strong cup, and many of the active women I know have a similar habit. So it's worth asking a question that doesn't get asked enough: how do we actually know caffeine affects us the way we think it does when most of the re...

by Dr. Stacy Sims — Jul 08, 2026 anxious contraception hormones menopause menstrual cycle perimenopause protein sleep

Exercise and Aging: What Active Women Need to Know

In my previous newsletter, I examined three terms that reshape how active women should think about aging: longevity, healthspan, and peakspan. The takeaway was this: most of us spend the majority of our adult lives in a “healthy but declined” state, and neither living longer nor avoiding illnes...

by Dr. Stacy Sims — Jun 24, 2026 bones hiit longevity menopause perimenopause protein strength training

How Well Will You Age?

You might have noticed there’s a word you can't escape right now: longevity. Everywhere you turn there seems to be supplements, podcasts, and biohacking protocols all promising to help you live longer. But longer isn’t the same as better. And here's the thing nobody's telling you: women already...

by Dr. Stacy Sims — Jun 12, 2026 circadian rhythms hormones intermittent fasting longevity menopause perimenopause

Far From Home, Close to the Work

I left New Zealand on April 12 with a carry-on bag, a full schedule, and the kind of quiet resolve that kicks in when you know you're heading towards work that matters. Two and a half weeks in, I'm somewhere between San Francisco and Los Angeles with a double espresso in hand, a voice that's ta...

by Dr. Stacy Sims — Apr 29, 2026 bones hormones longevity menopause perimenopause strength

Protect Your Brain for the Long Game

We spend a lot of time talking about muscle, metabolism, and performance, but not nearly enough time talking about the brain. Yet women are disproportionately affected by cognitive decline and Alzheimer’s disease. Alzheimer’s is a brain condition that slowly damages memory, thinking, learning, ...

by Dr. Stacy Sims — Apr 10, 2026 creatine fuel gut hiit longevity menopause microbiome perimenopause protein strength

Menopause Changes Your Gut—Here’s Why It Matters

Most conversations about menopause focus on hormones. But there’s another system quietly shifting at the same time: your gut microbiome. The trillions of bacteria living in your gut influence everything from metabolism to immune function to brain health. And during perimenopause and menopause, ...

by Dr. Stacy Sims — Mar 12, 2026 gut intensity menopause microbiome nutrition perimenopause supplements

How Plants and Protein Can Help You Through Menopause

Most active women underestimate their daily protein needs—and the consequences become more pronounced in perimenopause and menopause. The current RDA for protein was established to prevent deficiency in sedentary people, not to help active women optimize their training and recovery—or to thrive...

by Dr. Stacy Sims — Mar 10, 2026 gut menopause microbiome nutrition perimenopause protein vegetarian

Why the Female Heart Responds Differently to Exercise

Note: This is an anatomical and physiological review, not medical advice. Anyone with concerns should see their healthcare provider. When you train consistently—whether it’s endurance training, speed work, or strength—your heart adapts. That adaptation, which is often referred to as “athlete’s ...

by Dr. Stacy Sims — Feb 13, 2026 hormones menopause perimenopause training

Why Active Women Need Creatine

There are very few supplements I recommend across the board. Creatine is one of them. For decades, creatine has been misunderstood as something only bodybuilders or elite male athletes use. That misconception has kept many women from one of the most well-researched, effective, and female-rele...

by Dr. Stacy Sims — Feb 11, 2026 creatine hiit intensity menopause muscle perimenopause roar supplements

Gratitude, Growth, & a Rare Share

As the calendar turns and we near the end of 2025, I wanted to take a moment to pause, reflect, and send a note of gratitude. I typically dedicate these newsletters to science-backed information for active women, but today I’ll break with the norm and share some of the highlights and challenges...

by Dr. Stacy Sims — Dec 30, 2025 lhs lift heavy menopause perimenopause strength training

What to Do Differently in Peri & Postmenopause

Perimenopause vs. Postmenopause: What Active Women Need to Know With World Menopause Day happening tomorrow, it feels like the right time to address some key questions I’m often asked about perimenopause and postmenopause. I know only too well that navigating these changes can feel confusing,...

by Dr. Stacy Sims — Oct 17, 2025 hiit hormones intensity menopause perimenopause training

How Much Protein Is Enough?

It’s a question I’m asked by women a lot: How much protein should I consume every day? And while the detailed answer will always depend on your age, your activity level, your menstrual cycle status, and plenty more, there are a few simple guidelines that can help get you on the right side of ...

by Dr. Stacy Sims — Apr 09, 2025 menopause perimenopause protein strength

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