Your immune system defends you against the viruses that cause cold and flu. These eight steps can help support your immune system so it’s ready to fight those viruses.
1. Eat plenty of fruits, vegetables, and whole grains.
2. Get at least 30 minutes of exercise most days of the week.
3. Get enough sleep.
4. Wash your hands.
5. Keep up with your vaccinations. Almost everyone who’s at least 6 months old …
