Josh is a seasoned wellness educator, entrepreneur, executive coach, and breathwork expert who empowers individuals to build sustainable health and authentic living practices. Combining science, movement, and mindfulness, his work inspires personal transformation and holistic well-being.
Breathwork, also known as the practice of conscious breathing, has been used for millennia to heal, energize, and shift consciousness. Our ancestors didn’t need scientific studies to validate its power, but in our modern world, science acts as the warm, fuzzy blanket that explains why these ancient practices work. Turns out, they were onto something.
The science of breathwork
Forget the woo-woo for a second breathwork, which is biology in action. Your breath is the remote control for your nervous system, and how you breathe determines whether you’re in fight-or-flight mode or deep relaxation.
Breath and the nervous system
Science confirms what yogis and monks have practiced for centuries: slow, controlled breathing triggers the parasympathetic nervous system, lowering stress hormones and calming the mind. On the flip side, faster breathing can activate the sympathetic response, increasing energy and focus, which is basically a natural caffeine hit.
Oxygen, CO₂, and cellular efficiency
More oxygen isn’t always better surprising, right? The Bohr Effect shows that balanced CO₂ levels actually help oxygen release from hemoglobin into your cells. Training CO₂ tolerance through breath control improves endurance, cognition, and relaxation. That’s right, how well you handle carbon dioxide affects everything from anxiety to athletic performance.
HRV and longevity
High Heart Rate Variability (HRV) is a marker of resilience, and breathwork is one of the best ways to improve it. Techniques like nasal breathing and rhythmic breathing (e.g., 5.5-second inhales and exhales) have been shown to enhance HRV, making you more adaptable to stress. Long story short: better breathing = longer, healthier life.
The mysticism of breathwork
Breathwork has always been more than just a health hack; it’s been a spiritual practice across cultures.
Prana, Qi and life force energy
In yogic traditions, breath is prana, the life force that fuels the body and mind. In Taoism, it’s Qi, the energy flowing through everything. Indigenous traditions also emphasize the sacred nature of breath. Across cultures, breath has been synonymous with spirit, vitality, and life itself.
Altered states and consciousness expansion
Certain breathwork techniques can induce deep meditative and even psychedelic-like states. Holotropic Breathwork and Wim Hof Method, for example, can lead to emotional releases, insights, and heightened awareness. Science is just beginning to understand how breath affects brain waves, shifting us between states of focus, relaxation, and deep introspection.
The breath as a gateway
Nearly every spiritual tradition includes some form of breath meditation. Whether it’s Buddhist zazen, Sufi dhikr, or Christian contemplative prayer, breath is used as a tool to access deeper states of consciousness, presence, and connection.
Where science and mysticism meet
Here’s where it gets interesting: science is now catching up to what mystics and healers have known for ages.
The mind-body connection
Research shows that breath influences brain activity, changing the balance of neurotransmitters and even altering states of consciousness. It turns out that the monks sitting in caves practicing breath control weren’t just chilling; they were rewiring their brains.
Healing through breath
Trauma-informed breathwork is now being used in clinical settings to help people process and release stored trauma. Sound familiar? Ancient traditions have long described breath as a way to clear energetic blockages.
A practical spirituality
Breathwork doesn’t require blind faith; it's just practice. Whether you’re in it for better health, mental clarity, or a deeper sense of self, conscious breathing gives you direct access to something bigger than yourself. Call it science, or call it spirit; either way, it works.
Related article: The Transformative Power of Breath - Unlocking Vitality and Healing
Final thoughts
Breathwork is where science and mysticism meet, bridging ancient wisdom with modern understanding. It’s simple yet profound: practicing conscious breathing can transform your health, energy, and state of mind. Whether you’re drawn to breathwork for its physiological benefits or its deeper, more intuitive effects, the truth is the same: how you breathe shapes how you live.
If you’re ready to take your health into your own hands, build sustainability and experience the power of breathwork firsthand, come check out my Sustainable Wellness Collective. Get access to guided breathwork sessions, movement flows, and a community committed to real, lasting health. Start your 7-day free trial today.
Read more from Josh Seiler
Josh Seiler, Breathwork Expert & Wellness Pro
Josh is a seasoned fitness and wellness professional who began his journey in 2009, building a successful fitness coaching company in Denver, CO. In 2018, after overcoming a severe lung infection through breathwork and oxygen therapy, he discovered the transformative power of focused breathing techniques. This pivotal experience led him to create a global breathwork brand dedicated to helping others heal and thrive. Now based in the tranquil Black Hills of South Dakota, Josh shares his expertise through online content, certifications, and instructor trainings, blending science and personal experience to inspire sustainable health and authentic living.
