EnviroPhys: Navigating Human Limits

About EnviroPhys: Navigating Human Limits

EnviroPhys: Navigating Human Limits explores how the human body adapts to extreme environments. Hosted by Dr. Jim Davis, this podcast delves into the physiological responses to heat, cold, altitude, and weather stressors. Each episode highlights the integration of systems like the nervous, cardiovascular, and respiratory to maintain homeostasis. Whether you’re a student or curious learner, discover how the body rises to environmental challenges and thrives in demanding conditions.

Publisher

Dr. Jim Davis

Category

education

Language

en

Explicit

No

First episode

7 Jan 2025

Latest episode

15 Apr 2025

Latest episodes

37 episodes in the feed.

1. 

   15 Apr 2025

   Episode 37 - Microgravity - Part 3

   We wrap up the microgravity series by focusing on the countermeasures used to fight physiological decline in space. These include treadmill harnesses, cycling, resistive training, and pharmacological strategies like calcium, vitamin D, and bisphosphonates. We also discuss the challenges of returning to gravity, including orthostatic hypotension, weakness, and vestibular disorientation, as well as the long-term risks of extended missions. Finally, we explore future solutions, such as artificial gravity and gene-based therapies.

2. 

   15 Apr 2025

   Episode 36 - Microgravity - Part 2

   In this episode, we explore the long-term physiological effects of microgravity, focusing on the musculoskeletal, cardiovascular, and vestibular systems, as well as cognitive and psychological challenges. We discuss bone loss, muscle atrophy, reduced VO₂ max, and how the vestibular system malfunctions in space. The episode also touches on the impact of disrupted circadian rhythms, sensory overload, and emotional strain during long-duration missions.

3. 

   10 Apr 2025

   Episode 35 - Microgravity - Part 1

   This episode kicks off our discussion of space physiology, focusing on the body’s initial responses to microgravity. We examine the headward fluid shift, changes in cardiovascular dynamics, and the impact on the vestibular system, which contributes to motion sickness and sensory disorientation. We also touch on how plasma volume reduction and cardiac remodeling affect astronaut performance and challenges upon re-entry to gravity.

Reach and audience

Public platform figures. Ratings count people who left a rating, not total listeners.

Apple Podcasts (US)

5.0 / 5

1 ratings

Podcast Authority Score: 36 / 100

A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.

Quality

72

Social presence

0

YouTube

0

Engagement

0

Contact EnviroPhys: Navigating Human Limits

Guest appearances

Books guests

Based on episode analysis; this does not confirm that the show is currently accepting guests.