In a meloncholy but brilliant way, Camus nailed it
in "The myth of Sisyphus"

Loss of hope to effect a change, being bombarded with continuous negative happenings , lost of true human contact ...reference to texting, emojis and surface communication .
My granddaughter was bullied my her boyfriend physically and emotionally ...he used FB, texting, Instagram to humiliate her the night she took her life. The lack of impulse control damages an entire generation .

A combination of everything and anything can produce suicidal tendencies. There is no remedy or cure. The people serious about ending it don’t usually ask for help.

A combination of

Personally I think it is over population stress. But that's at the root of almost all of our problems these days.

[worldometers.info]

If you look at the population curve they provide as a reference and assume their extrapolation is correct we are currently an maximum rate of increase. What that means is that now, somehow, from somewhere, pressure exists to slow the rate of growth. Well, I think we all know what is likely to happen next and it isn't pretty because as a species we have ignored it. It doesn't have to be that way but it likely will be.