This is a test of commonsense. Complete the next sentence:

How to recognize asthma
Notice any unusual coughing.
Coughing is one of the most common symptoms of asthma. If you cough frequently, even when you're not sick with a cold or flu, you may have asthma.
Take note of your coughing throughout the day and mark when it tends to occur. With asthma, coughing tends to occur often at night.