Adverse Childhood Experiences (ACEs)
Adverse Childhood Experiences (ACEs) describe a range of stressful and potentially
traumatic events occurring during childhood, usually before the age of eighteen.
The ten most widely recognised ACEs include physical, sexual, and verbal abuse;
emotional and physical neglect; and household dysfunction such as parental
substance misuse, parental mental ill health, domestic violence, parental
imprisonment, and parental separation or divorce. Additional adversities, while not
always formally categorised as ACEs, can also have significant effects on children’s
development. These include experiences such as bereavement, bullying, poverty,
and wider community harms like deprivation and exposure to neighbourhood
violence. Collectively, such experiences can significantly shape a child’s life, with
lasting consequences that extend into adulthood.
The central concern with ACEs lies in their impact on healthy development. Exposure
to adversity during critical developmental periods can generate harmful levels of
stress, often referred to as ‘toxic stress’, which disrupts brain architecture and can
compromise emotional regulation, learning, and social functioning. This disruption
increases the likelihood of poorer educational attainment, behavioural difficulties,
and diminished health and wellbeing over the life course. Evidence highlights that
the impact of ACEs is cumulative: the greater the number of adversities
experienced, the higher the likelihood of negative outcomes. In England, it is
reported that almost half of adults have experienced at least one ACE, and
approximately 10% report four or more, which is strongly associated with poorer long-
term outcomes.
The correlation between ACEs and adverse adult outcomes is well-documented.
Adults with a history of multiple ACEs are more likely to engage in health-harming
behaviours such as binge drinking, smoking, and drug misuse. They are also more
likely to report low levels of wellbeing and life satisfaction, as well as being at
heightened risk of experiencing unplanned teenage pregnancies, involvement in
violence, and incarceration. For example, research has shown that those with four or
more ACEs are twice as likely to binge drink, four times more likely to report low
mental wellbeing, and eleven times more likely to misuse illicit drugs or be
incarcerated compared to those without such experiences. These findings
Adverse Childhood Experiences (ACEs) describe a range of stressful and potentially
traumatic events occurring during childhood, usually before the age of eighteen.
The ten most widely recognised ACEs include physical, sexual, and verbal abuse;
emotional and physical neglect; and household dysfunction such as parental
substance misuse, parental mental ill health, domestic violence, parental
imprisonment, and parental separation or divorce. Additional adversities, while not
always formally categorised as ACEs, can also have significant effects on children’s
development. These include experiences such as bereavement, bullying, poverty,
and wider community harms like deprivation and exposure to neighbourhood
violence. Collectively, such experiences can significantly shape a child’s life, with
lasting consequences that extend into adulthood.
The central concern with ACEs lies in their impact on healthy development. Exposure
to adversity during critical developmental periods can generate harmful levels of
stress, often referred to as ‘toxic stress’, which disrupts brain architecture and can
compromise emotional regulation, learning, and social functioning. This disruption
increases the likelihood of poorer educational attainment, behavioural difficulties,
and diminished health and wellbeing over the life course. Evidence highlights that
the impact of ACEs is cumulative: the greater the number of adversities
experienced, the higher the likelihood of negative outcomes. In England, it is
reported that almost half of adults have experienced at least one ACE, and
approximately 10% report four or more, which is strongly associated with poorer long-
term outcomes.
The correlation between ACEs and adverse adult outcomes is well-documented.
Adults with a history of multiple ACEs are more likely to engage in health-harming
behaviours such as binge drinking, smoking, and drug misuse. They are also more
likely to report low levels of wellbeing and life satisfaction, as well as being at
heightened risk of experiencing unplanned teenage pregnancies, involvement in
violence, and incarceration. For example, research has shown that those with four or
more ACEs are twice as likely to binge drink, four times more likely to report low
mental wellbeing, and eleven times more likely to misuse illicit drugs or be
incarcerated compared to those without such experiences. These findings
