<s>[INST] I am a 22 year old man and I ahve been having problems with my chest hurting for about 8 weeks now.I feel like I have alot of pressure on my chest,and I have already been told that I have PAC's and that they are harmless,but when these so called PAC's hit meand or accure I can feel it in my head and eyes...and it has had my chest hurting for 8 weeks like I said.Now my ? to you is"Is it the PAC's making my chest hurt,or is it something else?" [/INST] Respected user , HiThanks for using Healthcaremagic.comI have evaluated your query thoroughly .*  There are lot many reasons  for  the  same  pain  as  -  psychological  -    costochondral issues  -  respiratory  conditions  -  heart  problems  -    systemic  issues  as  hormonal imbalances  or  others  .Hope this clears your query .Welcome for any further guidance .Regards dear take care . </s>