People taking selective serotonin reuptake inhibitors (SSRIs) around the time of having surgery are found to have an increased risk of bleeding, transfusion, hospital readmission, and death.

Yoga has positive effects on mild depression and sleep complaints, and improves symptoms associated with schizophrenia and attention deficit hyperactivity disorder (ADHD).

Low levels of vitamin D associate with an increased risk of depression, in midlife.

Elevated levels of C-reactive protein, a marker of inflammatory disease, may associate with increased risk of psychological distress and depression.

Spouses of people who have a sudden heart attack are at increased risk of depression, anxiety, and suicide, even if their partner survives.

Psychological stress and depression can cause the loss of brain volume, thereby contributing to emotional and cognitive impairment.

Low levels of vitamin B-6 and B-12 are associated with an increased risk of impaired cognition.

People who survive a heart attack, but are depressed, face a difficult recovery prognosis.

Older women who get more exercise and watch less television time are less likely to be diagnosed with depression.

Self-determined motivation and perceived competence are important factors in persuading seniors to exercise more.