For roughly a month now I’ve been super worried about having a heart attack. I’m 13 3 foot 11 and roughly 112 pounds I’ve been getting chest pain nausea dizziness and pain that goes to arms jaw and back. However my parents think it’s anxiety but I’m worried it’s a heart diseases . They won’t take me to a doctor so any help here would be nice. Also I’ve had some moments where my heart would squeeze for a second