Hi ,I am 38 years old ,not sure what my height is ,my weight is approximately 85kgs . I have recently discovered that when I eat popcorn ,I experience an awful pain in my chest , it is really unbearable , usually moves to my left side and it makes my left shoulder numb ,The first time I had this pain I thought i was having a heart attack .But now only recently I realised that as soon as I eat popcorn ,I get this pain .I realise it might have to do with gas , but I love popcorn and never had a problem before ,it feels like I am getting some attack ,Need to stand up and walk around