What we generally desire, love, money, power… could also be the source of allergy that arose from the past or past lives that you are unconscious of.
Your body knows what might cause your “allergic”reaction”, and all you need to do is learn the techniques to ask and access to your body’s intelligence.
The guest, Jean Slatter, provided an example involving a lady, accessing the lady’s higher guidance to reassure the body that it is safe to tolerate "a drop in barometric pressure and coldness." The lady was healed.