In this Mini Mikkipedia episode, Mikki breaks down a newly published narrative review examining whether menopause truly slows metabolism. While the common narrative suggests an inevitable metabolic decline, the reality is far more nuanced. Mikki walks through the evidence on resting metabolic rate, fat oxidation, physical activity, and sleep—highlighting where menopause may play a role and where age, muscle mass, and behaviour are more influential. She also unpacks a key overlooked factor: sleep disruption, and its downstream effects on fat oxidation and energy balance. Importantly, this episode challenges the idea that menopause overrides energy balance, instead reinforcing that foundational habits—muscle maintenance, movement, protein intake, and sleep—remain the primary drivers of metabolic health. A grounded, evidence-based take for women navigating midlife changes.

Key Highlights:

• Why resting metabolic rate changes are inconsistent—and often linked to muscle mass, not menopause
• The role of reduced fat oxidation and what it actually means for fat gain
• How sleep disruption (and progesterone) may influence metabolism
• Declines in physical activity: hormonal vs behavioural drivers
• Practical strategies to maintain metabolic health through menopause

Article https://pubmed.ncbi.nlm.nih.gov/41860241/

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NZ listeners - save 10% off Calocurb by using the code Mikkipedia10 at www.calocurb.co.nz

This week on the podcast, Mikki speaks to Dr Justin Keogh, exercise scientist and behavioural researcher, about the often underappreciated role of resistance training in healthy ageing, disease prevention, and long-term independence.

In this conversation, they explore why strength may be far more than a physical attribute—touching on its role in brain health, cardiovascular function, and overall quality of life. Dr Keogh unpacks the evidence around resistance training and cognitive outcomes, challenges common assumptions about exercise in older adults, and discusses whether we’ve been too conservative in how we prescribe strength training across the lifespan.

They also dive into the practical side of programming—what actually works, what’s often done poorly, and how to strike the balance between safety and meaningful stimulus, even in later decades. Along the way, they explore the psychological and behavioural shifts that occur when people regain strength, and why this may be one of the most powerful tools we have for supporting both physical and mental resilience as we age.

This is a wide-ranging, evidence-informed discussion that reframes strength training not just as exercise, but as a cornerstone of lifelong health.

Dr Justin Keogh is an exercise scientist and behavioural researcher with a strong focus on translating evidence into practical strategies that improve health, function, and performance. His work centres on the role of exercise—particularly resistance training—in mitigating treatment-related effects in cancer survivors, addressing sarcopenia in older adults, and enhancing athletic performance across a range of populations.

His sports science research spans rugby union, powerlifting, sprinting, golf, and strongman, with more recent work extending into Australian rules football and swimming. He has also developed a growing research interest in female athletes, particularly in how strength and conditioning, alongside movement competency, can reduce the elevated risk of lower limb injury.

Dr Keogh’s research is especially relevant to ageing populations and those affected by cancer, where he investigates how combined exercise and nutritional interventions can improve body composition, physical function, quality of life, and potentially influence disease progression. Complementing this, he has spent the past decade exploring the behavioural drivers of health, examining the barriers, facilitators, and motivations that influence physical activity and other health behaviours in older adults and cancer survivors using both quantitative and qualitative approaches.

He is a Fellow of the International Society of Biomechanics in Sport and the Australian Association of Gerontology. Dr Keogh also contributes to the field through service roles on Exercise and Sport Science Australia’s Sports Science Advisory Group, the Australian Strength and Conditioning Association Conference Committee, and the Sarcopenia Diagnosis Task Force Committee for the Australian and New Zealand Society of Sarcopenia and Frailty Research.

Justin bio https://research.bond.edu.au/en/persons/justin-keogh/

Podcast Stronger Through the Ages https://open.spotify.com/show/69bzn3LApQ9ohOmx2Q26sN

Contact Mikki:
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In this Mini Mikkipedia episode, Mikki breaks down why short eating windows and time-restricted eating (TRE) don’t always deliver the fat loss results people expect—especially for active women. Drawing on key research, including the TREAT trial and Sutton’s early time-restricted feeding study, she explains how compressing your eating window doesn’t reliably reduce calorie intake and may even compromise body composition.

Mikki also explores the interaction between exercise and appetite, highlighting how fasted training combined with delayed eating can amplify hunger signals and drive overeating later in the day. The takeaway? It’s not a willpower issue—it’s physiology.

This episode offers a practical, evidence-based look at how to align nutrition with training, appetite, and real-life behaviour for better outcomes.

Highlights:

• Why shorter eating windows don’t guarantee lower calorie intake
• The risk of increased lean mass loss with TRE
• How fasted training + delayed eating drives compensatory hunger
• The difference between metabolic benefits vs real-world behaviour
• Practical strategies to align eating patterns with training and appetite

Contact Mikki:
https://mikkiwilliden.com/
https://www.facebook.com/mikkiwillidennutrition
https://www.instagram.com/mikkiwilliden/
https://linktr.ee/mikkiwilliden
NZ listeners - save 10% off Calocurb by using the code Mikkipedia10 at www.calocurb.co.nz
Save 20% on all Nuzest Products WORLDWIDE with the code MIKKI at www.nuzest.co.nz, www.nuzest.com.au or www.nuzest.com
Curranz supplement: MIKKI saves you 25% at www.curranz.co.nz or www.curranz.co.uk off your first order