A strong immune system is your body’s first line of defense against infections, viruses, and illnesses. While no system can prevent sickness entirely, healthy daily habits can significantly strengthen your immunity and help your body recover faster. The best part? You don’t need expensive supplements—simple lifestyle changes make a big difference. What Is the Immune System? The immune system is a complex network of cells, tissues, and organs that work together to protect your body from harmful invaders such as bacteria, viruses, and toxins. A weakened immune system can lead to frequent infections, fatigue, and slow recovery. Signs of a…