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To determine whether there could be protective alleles that prevent or reduce the risk of developing BPAD , similar to what is observed in other genetic disorders , we used mental health wellness ( absence of any psychiatric disorder ) as the phenotype in our genome - wide linkage scan of several large multigeneration Old Order Amish pedigrees exhibiting an extremely high incidence of BPAD .
 Disease: BPAD; Disease: genetic disorders; Disease: psychiatric disorder; Disease: BPAD
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: BPAD; Disease: genetic disorders; Disease: psychiatric disorder; Disease: BPAD