Air pollution is the presence in or introduction into the air of a substance which has harmful or poisonous effects.
Ill health is : a condition of inferior health in which some disease or impairment of function is present but is usually not as serious in terms of curtailing activity as an illness elderly parents who are in ill–health and need their financial and personal help
It's true that language that is not based on fact cannot be damaging to other people or causes
irmão
brother
irmã
sister
mãe
mother
pai
father
you can use this to help you
What she means is that old fears are hard to get rid of and can be annoying