Behind the symptoms of overtraining lies a complex physiological response. When you train intensely without adequate recovery, your body’s stress hormones, such as cortisol, elevate. This hormonal imbalance disrupts various systems, leading to:
- Muscle Breakdown: Intense training without proper recovery can cause muscle breakdown instead of growth due to excessive stress on muscle fibers.
- Immune System Suppression: The immune system weakens under chronic stress, leaving you vulnerable to infections and illnesses.
- Hormonal Imbalance: Overtraining can disrupt hormonal balance, affecting your menstrual cycle (in females) and testosterone levels (in males).
- Central Nervous System Fatigue: The central nervous system can become fatigued, impacting coordination, reaction times, and mental clarity.
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