Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest and can lead to a variety of emotional and physical problems. Symptoms of depression are Feelings of sadness, emptiness, angry outbursts, Sleep disturbances, Changes in appetite, Anxiety, Trouble thinking, making decisions etc.
It is estimated that 15.7 million adults aged 18 or older in the U.S. had at least one major depressive episode in the past year. This represented 6.7 percent of all U.S. adults.
To diagnosis Depression various tests like Physical test, Lab tests, Psychological test, Diagnostic and Statistical Manual of Mental Disorders (DSM-5) can be conducted. Medications and psychological counseling (psychotherapy) are very effective for most people with depression. Selective serotonin reuptake inhibitors (SSRIs), Serotonin-norepinephrine reuptake inhibitors (SNRIs), Norepinephrine-dopamine reuptake inhibitors (NDRIs), Atypical antidepressants etc. antidepressant drugs can be used.
Many scientists in USA working on connections with brain’s emotion center tied to symptoms of depression and PTSD some are working on the impact of exercise on reducing excessive sleepiness in depression is linked to certain chemicals, researchers have found.