And is the sensation in the chest not also completely tangible proof of the direct link between mind and body? When we have that piece, it is easy to see that we can damage the body with negativity and enhance its health with positivity. Every negative thought will play out in a damaging way on your body. Every loving, caring or other positive thought and emotion will support your body at a cellular level.
So what do you choose for yourself: excitement or fear, positivity or negativity?