concerned about my heart

[paronikwa]

hello, recently i've been feeling a tightness and pain in my chest (specifically on the left side), which started approxiamately a month ago. Once it started i was incredibly concerned and that night i went to the emergency room and with that they ran a ekg and a blood test. After that analysis they told me i was fine and i was free to go. A week ago I was feeling the pain again and i went to the er once again and they ran a diagnosis with a ekg, blood test, and a xray of my chest and again they said nothing was wrong and sent me home. Now i am experiencing the pain again and am concerned about my health and what i should do. Any help or recommendations of what it could be would be appreciated. I typically live a very lazy lifestyle, and typically have the same food daily of some bacon and some some fries with some eggs. May it be that i'm having too greasy food? any help or advise would be appreciated

[paronikwa]

also i forgot to mention im 20, and the doctors said when i was getting my diagnosis that i probably shouldnt consider heart disease first, but im definately still very worried