Answer:
tar
Explanation:
tar is the reason your lungs go black because it is evaporated into the smoke that you breathe in and is known to be the most known cause of cancer
I don't see the mental health problems you are talking about but ill try mu hardest to give you an answer
Chronic illness-Chronic illnesses that are life threatening can create a lot of stress and depression which can transform to bipolar or manic depression and anxiety issues
Unemployment-Unemployment can cause anxiety depression low confidence and low self esteem
Substance abuse-Substance abuse can create a mental addiction chemical dependencies bipolar depression and anxiety
Violence-Violence can cause PTSD depression bipolar disorder anger problems without a known source in young children and the inability to show remorse
Hope this helps my dude and can i get brainliest :D
