For some time, it's been understood that moderate stress has beneficial effects.

DNA reconfiguration has progressed too far. Added to aggressive, invasive medications, the body's immune system attacking its own neurons??????

DNA reconfiguration by the Relic has progressed too far. Added to aggressive, invasive medications, the body's immune system attacking its own neurons??????

Hm. Thing is, you're not a witcher or a mage, so you're not immune…

Cheap inoculations! Come get a touch of pox, rot or rash!

Seems the nekkers've developed an immunity to the toxin. Now the poison protects their nest. Clever.

Gotta share this discovery with Lambert - foglets are immune to the smell of old cheese.

Think you're confused, that sounds more like your sister. I'm immune to disease, but even I'd die if I kissed her.