In some studies, even people who did not seem depressed were much more likely to be suicidal if they had no hope for the future.
Mõnest uurimusest selgub, et ka inimeste puhul, kes ei paistnud olevat depressioonis, ilmnes suitsidaalset käitumist palju tõenäolisemalt siis, kui neil puudus igasugune tulevikulootus.