![Short-term effects of multiple outdoor environmental factors on risk of asthma exacerbations: Age-stratified time-series analysis - ScienceDirect Short-term effects of multiple outdoor environmental factors on risk of asthma exacerbations: Age-stratified time-series analysis - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0091674919311856-fx1.jpg)
Short-term effects of multiple outdoor environmental factors on risk of asthma exacerbations: Age-stratified time-series analysis - ScienceDirect
![Allergy & Asthma Network on Twitter: "Do you know the difference between OCS and inhaled steroids? OCS are taken for acute asthma flares and can cause serious side effects if taken frequently. Allergy & Asthma Network on Twitter: "Do you know the difference between OCS and inhaled steroids? OCS are taken for acute asthma flares and can cause serious side effects if taken frequently.](https://pbs.twimg.com/media/E7fhB1gWUAAy8fh.jpg:large)
Allergy & Asthma Network on Twitter: "Do you know the difference between OCS and inhaled steroids? OCS are taken for acute asthma flares and can cause serious side effects if taken frequently.
![A. Our topic in this Healthful Living Course is about ASTHMA. Asthma is a chronic (long-term) lung disease that inflames and narrows the airways. The. - ppt download A. Our topic in this Healthful Living Course is about ASTHMA. Asthma is a chronic (long-term) lung disease that inflames and narrows the airways. The. - ppt download](https://images.slideplayer.com/19/5744889/slides/slide_7.jpg)