In Narayaneeya the Bhattatiri prays to remove his disease "Rokanme nashaya Pavanapurapate"
But towards the end he gets the true Jnana.What is the greatest disease? Desire over the body,
The thought itself that I am the body;the body is for me.So he prays "Dehamoham Tyaja Pavanapuratheesha "
RamanaMaharshi says this body itself is a disease.So when body get's disease its like the disease get's disease.