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Introduction
The endocrine system plays a central role in growth, development, metabolism, reproduction, and physical well-being throughout life. Hormones interact in complex networks, orchestrating a range of critical functions. Over the life course, we experience various changes in hormone levels, fluctuations, patterns, and actions. Additionally, lifestyle factors and disease processes can impact the levels and functions of hormones.
In this episode, Dr. Nicky Keay, a medical doctor with expertise in the field of exercise endocrinology, is on the podcast to discuss a variety of endocrine-related issues, including: hormone diurnal variation, bone health, amenorrhoea, HRT, perimenopause, and thinking about hormones and aging.
Related resources
- Join the Sigma newsletter for free
- Subscribe to Sigma Nutrition Premium
- Dr. Keay’s website: nickykeayfitness.com
- Dr. Keay’s new book: Hormones, Health & Human Potential
- Hormones are not “good” or “bad” – but should be viewed as context-dependent
- Èndocrinology is complex. Many hormones interacting in many complex networks.
- How fetal factors and the maternal environment can shape the status and profile of each axis differently at birth
- Diurnal variation of different hormones, e.g. cortisol
- NICE recently updated the guidelines for the management of bone health in the situation of amenorrhoea with low oestrogen
- Hormone replacement therapy (HRT) vs. the combined oral contraceptive pill (COCP)
- Titrating the type and dose of HRT for the individual women is very important
- Body identical HRT vs. “bioidentical” HRT
- Hormonal changes that occur with aging
Guest Information
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Graduating from Cambridge University, she is an Honorary Clinical Lecturer in the Division of Medicine, University College London. Nicky’s clinical and research endocrine work is particularly with exercisers, dancers and athletes, with a focus on relative energy deficiency in sport (RED-S) and with women experiencing perimenopause and menopause.
Danny Lennon has a master’s degree (MSc.) in Nutritional Sciences from University College Cork, and he is the founder of Sigma Nutrition.
Danny is currently a member of the Advisory Board of the Sports Nutrition Association, the global regulatory body responsible for the standardisation of best practice in the sports nutrition profession.
Introduction to this Episode
The endocrine system plays a central role in growth, development, metabolism, reproduction, and physical well-being throughout life. Hormones interact in complex networks, orchestrating a range of critical functions. Over the lifecourse we experience a variety of changes in hormone levels, fluctuations, patterns and actions. Additionally, lifestyle factors and disease processes can impact the levels and functions of hormones.
In this episode Dr. Nicky Keay, a medical doctor with expertise in the field of exercise endocrinology, is on the podcast to discuss a variety of endocrine related issues, including: hormone diurnal variation, bone health, amenorrhoea, HRT, perimenopause, and thinking about hormones and aging.
Connection to Previous Episodes
- Keay was previously on the podcast in episode 357, discussing: Female hormone profiling, how the menstrual cycle impacts risk of injury and performance, tracking the menstrual cycle, and Relative energy deficiency in sport (RED-S).
- Kirsty Elliot-Sale, Professor of Female Endocrinology and Exercise Physiology at Manchester Metropolitan University, was on the podcast in episode 280 discussing menstrual disorders, energy availability, screening and diagnosis of RED-S, and recommendations for at-risk athletes.
- In episode 445, Dr. Hazel Wallace discussed the impact of menstrual cycle phase on cravings, functional hypothalamic amenorrhea and the physiological changes at menopause.
- In episode 402 Leanne Redman discussed the intergenerational transmission of obesity and the impact on the fetus of prolonged exposure to excess glucose and triglycerides in the mother.
- In this written Sigma Statement we provide a lifespan overview of nutritional considerations for females. We discussed iron-deficiency anaemia, PCOS, the peri-menopausal lifestage and more.
