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 , rheumatism , <WSD>diabetes</WSD> , and cancer . 
Meaning of the word marked with <WSD> tags:  a polygenic disease characterized by abnormally high glucose levels in the blood; any of several metabolic disorders marked by excessive urination and persistent thirst