Nov 19, 2025 · The immune system is the body's way of protecting itself from infection and disease, including chronic diseases. Your immune system fights everything from cold and flu viruses to …

Healthy ways to strengthen your immune system Your first line of defense is to choose a healthy lifestyle. Following general good-health guidelines is the single best step you can take toward …

Oct 20, 2023 · You’ve heard of your immune system, but how does it work? Learn more about the cells and organs that protect your body and help it heal.

Jan 5, 2026 · There is an undeniable connection between a strong immune system and nutrition. Learn why what you eat matters and other ways to boost your immune system.

May 24, 2025 · Certain foods, like citrus, may help keep your immune system strong. Incorporate these foods in your diet to help you fight viruses.

Dec 2, 2025 · Foods that support immune health, like citrus fruits, fatty fish, and leafy greens, contain immune-boosting nutrients like zinc and vitamins C, D, and E.

Dec 17, 2025 · Discover the best ways to keep your immune system healthy with simple lifestyle changes, like nutrition, exercise, proper sleep, and stress management, according to experts.

A glimpse inside the immune system We tend to take our immune systems for granted. But they work hard to keep us healthy. This complex system of cells is the body’s primary defense system, …

The overall function of the immune system is to prevent or limit infection. All immune cells come from precursors in the bone marrow and develop into mature cells through a series of changes that can …

Jul 11, 2025 · Your immune system helps protect you from sickness and infections. If you’re wondering how to boost your immune system — especially during cold and flu season — remember there’s no …