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How Do Cold Showers Extend Your Longevity?

This edition is a deep dive into the complex and rapidly evolving world of longevity healthcare. We're showcasing the pioneering spirit of American and European tech visionaries who are redefining the boundaries of aging and health. From the bustling corridors of longevity startups to the surprisingly beneficial and bracing world of ice-cold showers, we explore a spectrum of innovations that are reshaping our understanding of health, wellness, and longevity. 
Silhouettes symbolizing longevity-related societal taboos
Challenging Longevity Taboos: Facing the Unspoken in Ageing.

Welcome to the latest edition of Longr Reads, where the future of health and longevity unfolds through the lens of today’s most pivotal trends. As we arrive in 2024, we find ourselves at a crucial juncture in the pursuit of extended, healthier lives. 

This edition is a deep dive into the complex and rapidly evolving world of longevity healthcare. We’re showcasing the pioneering spirit of American and European tech visionaries who are redefining the boundaries of aging and health. From the bustling corridors of longevity startups to the surprisingly beneficial and bracing world of ice-cold showers, we explore a spectrum of innovations that are reshaping our understanding of health, wellness, and longevity. 

Additionally, we dissect the findings of a groundbreaking dietary study, challenging our perceptions and choices around food and its long-term impact on our health. 

Join us as we explore these narratives with a discerning eye, offering insights that are both thought-provoking and transformative.


The Longevity Market in 2024 (Sifted)

The longevity sector in 2024 stands as a testament to human ambition and scientific inquiry, driven by visionaries like Bryan Johnson and Christian Angermayer. 

The United States leads the charge, with a staggering 65% contribution to all deals in the longevity sector, while Europe steadily emerges as a formidable player. 

Phil Newman, at the helm of First Longevity, sheds light on the burgeoning interest in longevity investments, notably among European family offices aligning their ESG goals with health and longevity investments. The emergence of longevity clinics across Europe – in Zurich, Germany, and Stockholm – marks a pivotal shift towards tangible health improvements. Neko Health, co-founded by Spotify’s Daniel Ek, exemplifies this trend with its focus on preventative care. 

Despite the enthusiasm, longevity research faces challenges, grappling with issues of credibility and controversy. However, entities like Novo Holdings offer a glimmer of hope, investing in preventative therapies that may herald a new era in combating aging diseases. 

This narrative not only paints a picture of a rapidly evolving sector but also critically examines the complexities and potential of longevity technologies.

The Cold-Shower Experiment (The Washington Post)

Matt Fuchs’s foray into cold-water immersion is more than a personal challenge; it’s an exploration into the lesser-known realms of human health and endurance.

His narrative begins with reluctance and evolves into a journey of discovery, guided by experts like David Sinclair of Harvard, who theorizes that our ancestors’ constant exposure to cold has shaped our metabolic health.

This hypothesis, rooted in the principle of hormesis, suggests that controlled exposure to stressors like cold water can be beneficial. Fuchs’s initial encounters with cold showers are visceral and challenging, yet over time, he experiences a notable shift in endurance and well-being. Heather Massey’s insights from the University of Portsmouth lend scientific credence to Fuchs’s experiences, highlighting the physiological and psychological benefits of cold immersion.

Fuchs’s transformation, from skepticism to advocacy, underscores the potential of cold showers not just as a health fad, but as a viable, scientifically-backed tool for improving well-being.

Netflix Serves Up the Best Diet for Longevity (Hone Health)

Netflix’s “You Are What You Eat: A Twin Experiment” serves as a compelling narrative, challenging conventional dietary wisdom and unveiling the impact of our food choices on longevity. 

Stanford University’s study, central to the series, provides a meticulously controlled comparison of vegan and omnivore diets, utilizing identical twins as subjects. The results are eye-opening: those on the vegan diet exhibit marked improvements in cardiometabolic health, shedding light on the profound influence of plant-based diets on longevity. However, the omnivore diet holds its own, particularly in maintaining muscle mass, a key factor in long-term health. 

The series balances its scientific findings with practical considerations, acknowledging the challenges and nuances of adhering to a strictly vegan diet. 

This thoughtful exploration not only informs viewers but also encourages a more balanced approach to eating, emphasizing the importance of integrating more plant-based foods for overall health and environmental sustainability.


In this thought-provoking edition of Longr Reads, we’ve journeyed through the multifaceted landscape of longevity healthcare as it unfolds in 2024, painting a vivid picture of the future. 

Our exploration began with the ambitious world of longevity startups, where visionaries like Bryan Johnson and Christian Angermayer are investing not just capital but their beliefs in the quest for a longer, healthier life. 

We then navigated the invigorating and somewhat chilling realm of cold-water immersion, uncovering its surprising psychological and physiological benefits. Finally, we delved into the dietary dichotomy presented in Netflix’s “You Are What You Eat,” revealing the profound impact our food choices have on our health and lifespan.

These narratives collectively weave a compelling tapestry of the present and future of health and longevity. They underscore the complexities and potential of the longevity sector, challenge our perceptions of wellness practices, and invite us to reconsider our dietary habits in the context of long-term health. 

As we close this edition, we are reminded of the continuous evolution of health science and the importance of staying informed and adaptable in our personal health journeys. 

Stay inspired,

The Longr Reads Team


“The future of health will be defined not by our technological innovations, but by our personal commitment to adapt and embrace them.”

Atul Gawande, Surgeon and Writer


Longr Reads’ of the Week

  • Wine, women & exercise: my dad, the unlikely longevity guru (Financial Times)
  • Personalized Medicine: What It Is, Why It’s Popular, and Why It’s Not Going Anywhere (Spannr)
  • Drug repurposing: Misconceptions, challenges, and opportunities for academic researchers (Science)
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