Stay well hydrated
Eat a balanced diet rich in fruits and vegetables
Reduce intake of processed foods and added sugars
Maintain a healthy body weight
Exercise regularly at a moderate level
Get adequate sleep
Manage stress with relaxation techniques
Stop smoking
Limit alcohol intake
Treat infections promptly
Control chronic inflammation
Avoid unnecessary use of steroids or other medications that may raise WBC count
Follow up with a healthcare professional for persistent high WBC count