How to get rid of mold

How do I get rid of mold the mold is bad for my health. I live with my grandma can’t move out yet but she doesn’t care in a fucking basement I hate living here I was living here since 7 years old I was always embarrassed to invite friends over. Some kids even made fun of me in school and I still don’t tell people I live like this. She doesn’t understand it’s bad for your health.