dickstein says early results are promising but much more testing is needed. he says, if it works, it could be scaled up quickly and help thousands of children. why hasn't this kind of research been done before? >> it's harder and harder to get funding. >> reporter: in the past several years, large amounts of federal funding have been put toward researching causes of death like hiv, heart disease and various cancers. mortality rates in all those areas have dramatically decreased. even as suicide deaths continue to rise, suicide research gets significantly less funding. dickstein is among many experts who believe that, if suicide research was better funded, the epidemic would also slow. he says people need to prioritize suicide and mental health research, in the same way they did for childhood cancer. >> whereas before up to the¡ 80s, it was an absolute death sentence. now, the five-year survival for childhood leukemia is over 90, 95 percent. patients, parents, clinicians, researchers and funders got together and said, "enough of our kids dying of cancer." ever