Hello how are you everyone, this is my first post on this forum, i was vaping 70/30 pg/vg and i was fine y change to 40/60 pg/vg and now i am having asthma, dificulty to breath, i am having this symptoms like one week ago and dont dissapear, i went to the doctor and he didnt find me anything, i really think its the vg, how i can solve it or how long it will be? thanks