Results from the Welsh Adverse Childhood Experience (ACE) study show that when comparing people who suffered 4 or more harmful experiences in childhood with those who suffered none.
Mae canlyniadau astudiaeth Profiadau Niweidiol mewn Plentyndod (ACE) Cymru yn dangos wrth gymharu pobl a ddioddefodd 4 neu fwy o brofiadau niweidiol yn ystod plentyndod â'r rhai na ddioddefodd ddim.