These are behaviours that are damaging and not in our best interest. The behaviour can be repetitive and resist treatment and can lead to attempts of suicide. See death instinct.

SELF-DESTRUCTIVENESS: "Joe's self-destructiveness was evident in his extreme risk taking and placing himself in dangerous places."
Cite this page: N., Pam M.S., "SELF-DESTRUCTIVENESS," in, April 13, 2013, (accessed October 18, 2021).