The expression of a gene called CREB in certain neurons may function as a switch to regulate feelings of fear and its extinction.

Genetics and the environment (including psychiatric stress) may contribute to the pace of cellular aging, causing some individuals to have a biological age that exceeds their chronological age.

Researchers have revealed the key factors that can improve outcomes in children with ADHD, a disorder that costs Australia US$13 billion a year in social and economic losses.

Over-activity in a single brain region called the subgenual anterior cingulate cortex (sgACC) underlies several key symptoms of mood and anxiety disorders, but an antidepressant only successfully treats some of the symptoms. A new study suggests that sgACC is a crucial region in depression and anxiety, and targeted treatment based on a patient's symptoms could lead to better outcomes.

A new study has found that anxiety and stress directly linked to COVID-19 could be causing a number of body image issues. The research, which involved 506 UK adults, found that worries linked to COVID-19 were associated with body dissatisfaction and a desire for thinness in women, and associated with body fat dissatisfaction and a desire for muscularity in men.

Low levels of key, body-regulating chemicals in mothers during the first three months of pregnancy may interfere with the baby's brain development, a large study shows.

Children who are later diagnosed with autism and/or attention deficit hyperactivity disorder visit doctors and hospitals more often in their first year of life than non-affected children, suggesting a potential new way to identify the conditions early.

New research suggests that conditions such as attention deficit hyperactivity syndrome (ADHD), bipolar disorder, and even aggressive behaviors may be linked with sugar intake, and that it may have an evolutionary basis.

Severe morning sickness increases the risk of depression both during and after pregnancy, new research has found.

A review of 39 randomized clinical trials has found that combining the use medication with psychoeducational therapy is more effective at preventing a recurrence of illness in people with bipolar disorder than medication alone.