What does the following sentence mean in this video at 01.14.
Suicide is now the number one cause for teenagers from 12 to 18.
And he adds:
It hurts everyone inside, but they're not doing something.
Is it clear for you whom he refers by "they"?
Cause can mean a long-term belief like your values and you can fight for it or it can mean a reason of something. However, either usage does not makes a sense for me for this sentence.