How is swimming good for asthma?

Swimming can be a great exercise for people with asthma as you breathe in warm, moist air rather than the cold, dry air that can lead to asthma symptoms.
Swimming can also help you develop good breathing practices.
Exercising in water suits many older people, as no stress is placed on weight-bearing joints such as the knees.

Swimming is currently the only100%exercise recommended4 Asthmatic Patients (its Doctors Approved) Note the water should not be cold it is advised to teach in out door pools or temp controlled pools n also extreme hotness is not advised Swimming helps asthmatic patients to be able to improve n modify there breathing system by blowing bubbles in the water when swimming helps improve n build strong lungs of tha patient.
Studies have shown that those who took swimming most of them healed while others Improved health wise in their Asthmatic condition.