Obesity is associated with a number of health concerns, including asthma. There is a strong connection between obesity and developing asthma, as well as worsening symptoms and poor control.
Obesity can reduce lung volume, affect blood volume to the airways and even affect how well a patient responds to asthma medication.
About 38% of adults with asthma are obese, compared to only 26% in adults without asthma. Studies shows a correlation between weight loss and the improvement of asthma symptoms.
Medical Review June 2019.