What is needed in the case of noise is a study of large numbers of people living under noisy conditions, to discover whether they are mentally ill more often than other people are.
But contrary to popular belief, the homeless in Los Angeles are not mostly mentally ill or drug addicted or frightening, although a sizable minority meet some of those descriptions.
However, the National Alliance for the mentally ill, NAMI, warns, especially dramatic mood swings that caused huge changes in your behavior and energy, can be a sign of bipolar disorder.
According to the report, the woman's family believed she was mentally ill, and sent her to Jiangsu to seek treatment some time between 1996 and 1998 under the care of a fellow villager.
And, Leila, he's also cited this incident as justification for his controversial effort to move mentally ill people off the streets and out of train stations.