The giant touches one of the sore spots on his shoulder, "Dunno', been gettin' worse as its gotten colder though." Pawetha hasn't seen this particular condition before, but her familiarity with life in the wilds and the kinds of ailments that plague creatures when they age suggests to her that ol' Warklegnaw is unlikely to survive the coming winter. Especially if it's a hard one.
Source: "Passive" Nature/Medicine (I like the idea of 'passive' checks, so I implement them all the time with skills other than Perception and Insight. Sometimes, there are things your character simple knows)