Overview Key Takeaways: Your immune system is your body’s built-in defense network, working nonstop to protect you from bacteria, viruses, and other harmful invaders. Your immune … ...

Eating fruits, vegetables, lean proteins, and healthy fats can boost your immune system. Regular exercise can help regulate and boost immune function but don't overdo it. Getting enough sleep each ...

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.