Former Empress Michiko has been in poor health since mid-September, vomiting multiple times and losing weight, with stress seen as one of the possible causes, the Imperial Household Agency said Friday.The 85-year-old underwent breast cancer surgery in early September and has since been receiving hormonal treatment. The agency said the post-surgery treatment is not suspected to be the cause of her vomiting, which included a small amount of blood.Related coverage:Japan empress recovering, performs key official duties with emperorREAD FULL ARTICLE
