The brain, spinal cord, and nerves make up the nervous system. Together they control all the workings of the body and it is a central processing unit of the human body. When something goes wrong with a part of your nervous system, you can have trouble moving, speaking, swallowing, breathing, or learning. You can also have problems with your memory, senses, or mood.
Most people feel low and sad at times. However, in the case of individuals who are diagnosed with depression as a psychiatric disorder. Difficult situations can lead a person to feel sad, lonely and scared. These feelings are normal reactions to life’s stressors. In women depression tends to manifest as sadness, worthlessness, and guilt. In men it manifests often as tiredness, irritability and anger. They may show more reckless behavior and abuse drugs and alcohol. They also tend to not recognize that they are depressed and fail to seek help. All this current situation adds more to human mental health. Minor mental sickness can leads to major neurological disorders if not treated at the right time. Neurological disorders include diseases of the central and peripheral nervous system like: