hello, my name is Alise, i'm 17...44,75 kg and my hight is 1,53 m I have a few questions, my heart beats usually goes up to 102 beat per minute is that a bad thing?And i some time feel pain in my heart but it goes away really fast, what could be the reason my last question is, just like my heart i have a problem with my chest most of the time i can't inhale as much air as normal people even ifi tried i end up feeling like a large rock has been put on it, why does that happen? thanks already ^^