Read the text and determine if the sentence is true (see options at the end):

How to diagnose copd<br>See your doctor. The best way to fight copd is to see your doctor before symptoms arise. This is because symptoms of copd often don't appear until significant lung damage has already occurred.

Sentence: copd is usually diagnosed due to lung damage
Possible answers: - Yes - It's impossible to say - No
It's impossible to say