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Use "unhealth" in a sentence
"This area is lost educated, extremely unhealth (from obesicty, smoking) rates."
"With eating disorders like anorexia, in fact, the control of food intake, the denial of hunger, is the very manifestation of mental unhealth."
"And that in having to decide what is "unhealthy behaviour" I have had to come to a point where I say, "it's ok to do x, y and z UNLESS those things adversely impact on my ability to actively enjoy my life" and that is where I have come to in drawing a line over which I walk into crazyland/mental unhealth."