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.

Researchers showed that STAT3 plays an important role in the serotonergic system as a molecular mediator for controlling emotional reactivity, thereby establishing a mechanistic link between the immune system, serotonergic transmission and affective disorders such as depression.

Scottish children with multiple neurodevelopmental conditions experience greater school absenteeism and exclusion, poorer exam attainment and increased unemployment, according to a study.

One in four adults reported a change in alcohol use almost immediately after stay-at-home orders were issued: 14 percent reported drinking more alcohol and reported higher levels of stress and anxiety than those who did not drink and those whose use stayed the same. The 11 percent who decreased their drinking also had higher levels of stress and anxiety -- suggesting that any change in alcohol use may be associated with mental health issues.

The findings of the study show that oxytocin produced in the BNST increases stress-induced social anxiety behaviors in mice. This may provide an explanation as to why oxytocin can sometimes have antisocial effects.

A new study of asylum seekers in Germany suggests that, among those with symptoms of depression, anxiety, or posttraumatic stress disorder (PTSD), few receive a diagnosis from the health care system, and of those diagnosed, many do not receive treatment.