Go for annual reviews. Annual reviews are a great way to update your asthma action plan. It will help you confirm your inhaler techniques and ensure you’re consuming the right dosage to control your symptoms. Exercise regularly. Regular exercise will boost your immune system and help you maintain a healthy lifestyle. Physical activity will help you build lung capacity, increase blood flow and keep you centred. Even 30 mins of brisk walking can do wonders for your asthma levels.