Work that sweat. Did you know exercise can help you build better lung function and get mucus out of your airways? If you decide to hit the gym, don’t forget to drink plenty of water and fluids to prevent dehydration and replace electrolytes! Your doctor may also recommend adding extra salt to your water to replace the balance of minerals in your blood. How do you get your fitness on? Share your best moves (and snaps!) with your Cysters and Fibros.