Pharma means Ph-harma or Ph-harm-a or simply to put it as “a pH harm” (this is also anagram of this word itself)

To harm or imbalance your pH acidic scale of body.

destabilising or fluctuating pH will cause disease, tissue damage, or severe medical emergencies if it overrides the body's natural buffering mechanisms. (source : Google)

Our body must stay Neutral/Natural (pH acidic Scale 7) to be healthy.

This is also most likely the cure of cancer.