Dr. Matt and Dr. Mike's Medical Podcast Exercise Physiology | Exercise and the Immune System (Part 5)
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Apr 4, 2025 Discover how exercise affects your immune system! The hosts explore the benefits of moderate physical activity while cautioning against the risks of overdoing it. Learn how different types and intensities of exercise can influence immune health, and whether it's safe to work out when you're unwell. Delve into the functions of various immune cells and the body's defense mechanisms, as well as the impact of vaccinations and chronic diseases on immunity. Plus, hear insights on how environmental factors like altitude can shape your immune responses.
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Immune System Divisions
- The immune system has two main divisions: innate and adaptive.
- The innate system is non-specific, while the adaptive system develops specific responses and memory.
External Innate Defenses
- External innate defenses include skin and mucous membranes.
- These barriers, along with secretions like oil and sweat, provide a first line of defense.
Internal Innate Defenses
- Internal innate defenses comprise cells (white blood cells), chemicals (cytokines, complement proteins), and physiological responses.
- White blood cells like neutrophils and macrophages engulf pathogens, while chemicals mediate communication and responses.