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 <WSD>ailments</WSD> such as arthritis , rheumatism , diabetes , and cancer . 
Meaning of the word marked with <WSD> tags:  an often persistent bodily disorder or disease; a cause for complaining