
Part 2: Navy SEAL Health Hacks: Sleep, Peptides, Psychedelics, Brain Health, and Hormones with Dr. Kirk Parsley
Dr. Kirk Parsley is certified in Hyperbaric Medicine, Anti-Aging Medicine, Hormone Replacement Therapy, and is currently pursuing national certification in Psychedelic Medicine Therapies. He dedicates a significant portion of his time to advising non-profit organizations that support the SEAL community and providing healthcare guidance and treatment to veterans. Operating his practice and supplement business from Austin, Texas, Kirk is an avid outdoorsman and fitness enthusiast. When he's not working or working out, you can usually find him in nature, continuously enhancing his medical skills.
Â
We're continuing our discussion into the intricate relationship between sleep, brain health, and inflammation with Dr. Parsley in this second of two parts. We discuss how sleep deprivation can lead to brain inflammation, along with the surprising effects of everyday activities on cognitive wellbeing. We'll also reveal some experiences with microdosing psychedelics for their potential neuroprotective benefits, and explain the role of peptides and supplements in enhancing sleep quality. Our chat wraps up with cognitive therapy techniques to combat insomnia.
Â
In this episode we discuss:
- How sleep deprivation leads to the accumulation of beta-amyloid plaques.
- Why chronic lack of sleep causes hormonal dysregulation, and the effects Dr. Parsley has seen on Navy SEALs.
- Examples of activities that can contribute to unexpected brain trauma and inflammation.
- How blast waves create shearing effects in the brain, leading to cognitive health issues.
- Why psychedelics like psilocybin may aid in mitochondrial vitality and neuron physiology.
- How microdosing substances could subtly enhance neurotropic factors and reduce amygdala tone.
- What role muscle health and mitochondrial function play during menopause.
- Why peptide therapies, such as Cerebrolysin, are likened to hyperbaric oxygen treatments for brain health.
- How peptides like Dihexa and BPC-157 contribute to inflammation reduction and neurotrophic growth.
- How melatonin production is influenced by factors such as blue light and alcohol consumption.
- Why GABA is crucial for slowing down brain activity and aiding sleep.
- How supplements like vitamin D3, magnesium, and L-theanine support natural sleep processes.
- What cognitive behavioral strategies combat insomnia and prepare the brain for rest.
- Why establishing a routine is key to signaling the body to wind down for sleep.
Download in iTunes or on your favorite podcast platforms.

Find Karen Martel on Apply Podcast
Karen Martel is a Certified Hormone Specialist and Transformational Nutrition Coach dedicated to empowering women through their health journeys.
As the host of the popular podcast The Hormone Solution, Karen tackles the complexities of hormonal health, weight loss resistance, and the challenges that come with perimenopause and menopause.
Her mission is to disrupt outdated narratives surrounding women's health, providing reliable information and practical solutions that help women reclaim their vitality. With personal experience overcoming her own health struggles, Karen offers insights into hormone optimization and sustainable weight management strategies.
Join her as she engages in enlightening conversations with experts and shares actionable advice, all aimed at helping women navigate their unique hormonal landscapes with confidence and clarity. Tune in to discover how to embrace life's stages while enhancing overall well-being.