https:// www.stanforddaily.com/2016/07/21/cdc-releases-preliminary-findings-on-palo-alto-suicide-clusters/

The CDC’s research revealed that 46 percent of victims had a mental health problem at the time. The most common mental health problems were depression, anxiety and bipolar disorder. Of the 232 cases studied, 53.7 percent had experienced a major crisis in the last two weeks. Male youths were found to be much less likely to report mental health problems or seek help and had a higher suicide rate than female youths