"To fight illness" means to do everything possible to protect your body and stay healthy, using medication, rest, and making other healthy choices to help your body recover and become stronger. Full definition
This bolstered previous studies which showed that mindfulness meditation can help fight illness by reducing stress and therefore helping to support a healthy immune response. (yogajournal.com)
Babies will also breastfeed more frequently when fighting an illness or going through a developmental milestone. (themilkmeg.com)
We don't get sick often, and when we do, I prefer to let the body fight the illness naturally whenever possible. (wellnessmama.com)