Understanding the health experts' of depression has come a long way in recent decades. In many cases, depression is not just a cause. Often results

from a combination of biology, psychology and stress or traumatic events.
Biology. Researchers have much to learn, why people are depressed. But some experts believe depression often results from an imbalance of certain

chemicals in the brain. These chemicals are called neurotransmitters. Antidepressants that affect the amount of chemicals put into balance.

There is also a genetic factor. If depression runs in your family, you have a higher risk of being depressed.

Following the general condition, other medical conditions or illness may increase the risk of depression. For example, if you had a heart attack,

have a 65% risk of becoming depressed after. Diseases such as cancer, heart disease, thyroid disorders and many others to increase the risk of

falling into depression.

Gender makes a difference, too. Women are twice as likely than men to suffer from depression. Nobody really knows why. But the hormonal changes

women go at different times of life may be a factor.
Psychology. Studies show that people who have a pessimistic personality rather depressed. This does not mean it is the attitude of  better  Her

depression resolved.
Stressful events. Many people do get depressed in difficult times. Losing a family member or close friend suffering from a serious illness in a

divorce or other traumatic event can cause depression.
Drugs and chemicals. Many drugs can cause symptoms of depression. Abuse of alcohol or drugs is common among depressed people. It is often aggravated

the situation.
Some people have a clear idea why they are depressed. Some do not. The most important thing to remember is that depression is not your fault.
This is not a flaw in your character. The disease can affect anyone of us.