kari saito was living in fukushima city with her husband and two young children when the government ordered everyone inside after the explosions at fukushima daiichi. how worried were you? >> translator: enough to make me raisey. i used my cell phone to search the internet for news. i kept searching. fukushima, radiation, i kept searching. it nearly drove me crazy. >> after they were allowed outside she continued worrying about the radiation. continued worrying about her children. did your husband tell you that it was safe to be in the city? >> translator: he didn't tell me it was safe but i think he believed i was overreacting. my youngest son had blood in his urine and stool. he kept catching colds and had a cough. but when i took ethical a doctor he told me there was no link to radiation. all the doctors there said that. >> reporter: when her husband ignored her fears and refused to leave fukushima the strain was unbearable. she filed for divorce. it's a kind of marital discord so common these days the japanese have a name for it, nuclear divorce. >> translator: i felt like if i stayed w