tomomi kahala was rushed to the hospital on 17/1/2009 because of drug (medicine) poisoning. According to Japanese media reports, she was taking a taxi at around 3am. the driver saw her wasnt in a good condition and sent her to a police station nearby. when she was asked about her body condition, she said weakly, that she was told by the doctor to take some drugs. she was rushed to the hospital immidiately. media doubt if she had taken too much mental problem drugs. even though she was told by the doctor to take it, but the media doubt if she had taken too much of it.
http://ent.tom.com/2009-01-20/000D/12376138.html
(the article is in chinese)