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Dr. Lauren CS

Empowering women with science based health and fitness truths

Newsletter · By Dr. Lauren Colenso-Semple · Official site

Indexed issues, last 90 days
4
Latest publication
Sep 4, 2026
Audience
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Earliest in this view
Jul 14, 2026

Latest issues

  1. Issue · Sep 4, 2026

    Should Women Worry About Low Testosterone? (opens the original)

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    If you spend any time in the menopause corner of the internet, you’ve probably seen this claim: testosterone plummets at menopause and that crash is behind your fatigue, brain fog, disappearing muscle, and low mood. So you should get tested and, most likely, start testosterone therapy.It’s a compelling narrative. It’s also mostly wrong.Testosterone is genuinely hard to measure. Most testosterone circulates bound to a protein (sex hormone binding globulin, or SHBG), which pushes total levels up o

  2. Issue · Aug 25, 2026

    Is NAD+ A Legit Longevity Hack? (opens the original)

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    The marketing narrative pushed by wellness clinics is that NAD⁺ infusions support mental clarity and cognitive function, enhance mood and reduce anxiety, improve sleep quality, reduce inflammation, manage weight, protect against Parkinson’s, Alzheimer’s, Huntington’s, and dementia, and strengthen cardiovascular function. Are there any human data to support these claims? Let’s dive in.What is NAD?NAD (nicotinamide adenine dinucleotide) is a coenzyme that facilitates energy metabolism (helping the

  3. Issue · Aug 21, 2026

    Creatine FAQ (opens the original)

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    What is creatine?The phosphocreatine system provides ATP for short term energy production (eg high intensity exercise). Creatine supplementation tops off stores in the muscle, potentially getting us an extra rep or a slightly faster sprint time. How does creatine work?Creatine works exactly the same way in men and women. If you take it regularly, supplementation can increase strength performance (if you can do a set of 10, perhaps creatine gets you the 11th rep), which can potentially increase m

  4. Issue · Jul 14, 2026

    The Truth About Menopause & Metabolic Rate (opens the original)

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    Many women who experience weight gain in perimenopause swear they haven’t changed their lifestyle. Many content creators, some with advanced degrees, blame metabolic rate. The science doesn't support that.Van Pelt compared resting metabolic rate (RMR) in a group of sedentary pre-menopausal women to a group of sedentary postmenopausal women and reported that RMR was lower in postmenopausal women. However, given the age discrepancy between groups (late 20s versus early 60s), it’s unclear if the di

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