In fact, one survey found that a worker was more likely to tell their boss they were involved in a petty crime than to explain they had a mental illness. Delays in seeking treatment can allow mental illness to worsen. Major depression is by far the leading mental illness and the leading cause of disability worldwide. Of course, occasional feelings of sadness and transitory moods are normal. Major depression often begins between ages 15 to 30 but also can appear in children.
Episodes usually recur.
A depressed mood persists for at least 2 years in adults or a year in children, accompanied by at least two other symptoms of depression. Many people with dysthymia develop major depressive episodes. Bipolar disorder requires different treatment than major depressive disorder or dysthymia, so obtaining an accurate diagnosis is critical. The key is identifying those who need the help, because, as always, the stigma of mental illness prevents many from seeking help when they need it. What's just as exciting is that we can treat patients with verbal therapy and see exactly the same changes in brain chemistry in some cases.