Question

What causes asthma????​

Answer 1

Shortness of breath
Chest tightness or pain
Wheezing when exhaling, which is a common sign of asthma in children
Trouble sleeping caused by shortness of breath, coughing or wheezing
Coughing or wheezing attacks that are worsened by a respiratory virus, such as a cold or the flu

Answer 2

The cause is unknown, it can be caused by your enviromental surroundings or it can be a genetic trait. There are other reasons but these two are the most logical.