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📋 Summary

How Stress Affects Health 😰💔

PSY408 - Health Psychology

Two Ways Stress Makes You Sick 🤒

1. Direct Route (Body Changes) 🫀

  • Stress → Body releases stress hormones! 💉
  • Heart beats faster, blood pressure goes up! ⬆️💓
  • Immune system gets weaker! 🛡️⬇️
  • Over time → Heart disease, high blood pressure! 💔

2. Indirect Route (Behavior Changes) 🍺🚬

  • Stressed people drink more alcohol! 🍷
  • Smoke more cigarettes! 🚬
  • Have more accidents! 🚗💥
  • Bad parenting during family stress! 👨‍👩‍👧😔

Key Terms 📚

  • Allostatic Load 😫: Wear and tear on body from repeated stress!
  • Psychoneuroimmunology 🧠🛡️: Study of how mind affects immune system!
  • Atherosclerosis 🩸: Fatty stuff blocking arteries!

What Happens Inside Your Body 🔬

  • Cardiovascular System 💓: Blood vessels get damaged over time!
  • Endocrine System 💉: Releases catecholamines & cortisol (stress hormones)!
  • Immune System 🛡️: T cells & B cells (fighter cells) decrease!

The Feedback Loop 🔄

  • Brain 🧠 → Nervous System 🔌 → Hormones 💉 → Immune System 🛡️
  • They all talk to each other!
  • Stress affects ALL of them! 😰➡️🤒

Key Takeaways 🔑

  • Stress hurts you TWO ways: body & behavior! 🫀🍺
  • Long-term stress = wear and tear! 😫
  • Stress weakens your immune system! 🛡️⬇️
  • Mind and body are connected! 🧠❤️