The great difficulty here is that there isn't one!
Prana & the Radar screen of Life
The in - Breath allows scanning of higher frequency energy i.e. emotional, mental & spiritual.
The out - Breath allows scanning for lower frequency energy i.e. mainly that of the physical body (skin, bone, muscle etc)
The Importance of the Breath Cycle
We all know that one of the most important tasks carried out by the body is that of Breathing. Two important things occur when we breath:
It therefore stands to reason that if we breath incorrectly or ‘half heartedly’ as the case may be this scanning cannot take place effectively and problems are not detected and addressed.