Sentence:  Says Wallace F. Jannsen , director of the FDA 's Division of Public Information : `` Quacks are apt to direct their appeal directly to older people , or to sufferers from chronic ailments such as arthritis , <WSD>rheumatism</WSD> , diabetes , and cancer . 
Meaning of the word marked with <WSD> tags:  any painful disorder of the joints or muscles or connective tissues