onetime when i got really high my friend told me a story about how his heart felt like it was raceing and he was having a heart attack , but it turns out he was just freakin out. and now everytime i get REALLY high i feel liek my heart is raceing and its gunna explode and i feel pains in my chest but i always turn out fine. can weed really do theese things or am i just freakin out and my minds playin tricks on me?