[填空题]It is a timeworn sign of old age and frailty. Yet arthritis often (1)______ the young. (1) ______ This disease of the body also has a (2)______ impact on the mind. (2) ______ "got very (3)______ I couldn’t sleep. (3) ______ When pain is (4)______ like that, it changes your personality. (4) ______ And it affected everyone around me, " says Nora Baldner, who had arthritis in both hips. "I" d pour (5)______ milk on my kids’ cereal because I didn’t want to walk to the back of the supermarket where the real milk was." (5) ______ Joint problems are now hurting and crippling 43 million Americans, and they’re more (6)______ than cancer or diabetes. (6) ______ The mo