Depression is the most common disease around the world. It will lead to various ill effects to the patient dealing with it. Many people have reported depression at the age of twelve at a certain point in their life. While suffering from depression, you will feel sadness or loss of interest in any activity or no pleasure in performing any task. It is very important to treat depression as soon as possible. And for the treatment of depression, you must know the actual cause of depression.

There are various causes of depression and it will depend on the person suffering from it.

Abuse
Many of us suffer from physical, mental, sexual or emotional abuse at any stage of our lives. Some of us are able to cope up with it. But many people are not able to forget these bad days of their lives. This is the reason that sometimes, all of these events collectively make a person depressed.

Family history
Sometimes, genetics play an important role in depression. This implies that if any of your family members are suffering from this disease, you will be more prone to depression.

Certain medications
There are various medicines that will cause depression. The names of some of the medicines which have a side-effect of depression are isotretinoin, interferon-alpha, and corticosteroids. When you consume these medications for a longer period of time, you may suffer from depression.

Serious medical illness
Many times, when you suffer from a serious ailment and try to cope up with it, you are more likely to develop depression. This is because of the stress and worry caused by the disease you are dealing with. Also, if you are dealing with it for a longer period of time, then there are more chances of developing depression.

Death or a Loss
This can be one of the primary reasons for depression as when you lose your loved one suddenly, you may not able to bear this grief. Therefore, it might lead to sadness or depression for some period of time.

Major Life Events
There are certain life events that might be the cause of nervousness like graduation, getting married, or starting a new job. This nervousness sometimes may lead to severe fear like losing your job, unemployment, getting divorced, or failing in academics. Ultimately, this fear will turn into depression, which will not be good for your health.

Alcohol consumption
Many people may start consuming alcohol because of certain depressing events of their lives. This consumption of alcohol also may lead to depression. Additionally, consuming drugs can also lead to the same problem.

Brain chemistry imbalance
There are some chemical substances, which are known as neurotransmitters that assist the different parts of the brain to communicate with each other. When there is an imbalance in these neurotransmitters, this leads to depression.

These are the several causes of depression and you can consult your doctor to start proper treatment for your problem.