im 22yrs old guy suffering from breathing problem since 10 yrs.i have consulted many doctors in allopathy n homeopathy but ididn t get satisfactory results.3yrs back i underwent minor operation in nose.but it was not much helpful.recently 1 doc told dat its allergy n it cannot b cured by operation.n other doctor said me dat im having allergic asthma n i  ihavnt been diagnosed properly coz he said the problem  might be in lungs too.im taking his medicines n doing breathing exercises.sometimes i feel heaviness in my left side of chest.i also undergone tests my hb level is 17g/dl.result was normal.is there any other problem related to heart?im confused n fearing about my future.!!plz guide me.