10 Warning Signs That Your Immune System Is Malfunctioning

9. Frequent Infections and Illness
If you feel like you are constantly moving from one cold to the next and require antibiotics several times a year, your immune system is likely "exhausted" or depleted. Frequent infections such as sinusitis, ear infections, or pneumonia show that the body's defensive barriers have broken down, and the body cannot build the necessary "immune memory" to fight common viruses. This condition is often exacerbated by chronic stress, lack of sleep, or long-term malnutrition.