根据双因素理论，下列不属于保健因素的是（ )0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31898' and id < 2550196 and id<>'2550196' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31898' and id > 2550196 and id<>'2550196' order by id asc limit 5