New research from cognitive neuroscientists has pinpointed how stimulants such as Ritalin and Adderall can change people's motivation to complete difficult tasks.

Two new studies underscore health risks associated with childhood obesity. Children with obesity have a three times higher risk of mortality in early adulthood compared with children in the general population and are more likely to suffer from anxiety and depression.

Acne treatment including the highly effective acne medication isotretinoin should be made more readily available despite reports of its association with depression and teen suicide, a study recommends.

"Even if she doesn't say it, I know it's my fault that my mother gets sad." Kids who believe comments like this - assuming blame for their mom's sadness or depression - are more likely to face depression and anxiety themselves.

Disrupted and poor quality sleep in the earliest months of a child's life can be an indicator of depression, anxiety and behavioral problems among toddlers, according to a new study.

Persistent sleep difficulties during the first 12 months of life are linked to a heightened risk of developing childhood anxieties and emotional disorders, indicates research.

People with mild traumatic brain injury who are exposed to early morning blue light therapy may experience a decrease in depression and other concussion symptoms, according to a preliminary study.

Different learning difficulties do not correspond to specific regions of the brain, as previously thought, say researchers. Instead poor connectivity between 'hubs' within the brain is much more strongly related to children's difficulties.

New research has found that as little as 10 minutes in a natural setting can help college students feel happier and lessen the effects of both physical and mental stress.

Researchers report that about four of 10 doctors caring for older adult patients who require a surrogate decision-maker experienced moral distress.