There is not one single cause of depression and medical experts advise that it is a combination of biological, environmental, psychological, and emotional factors are at play. The probable risk causes may include:
Depression tends to run in the family. If someone in your family, such as a parent, close relative, or sibling may have been diagnosed with any form of mood disorder, you may develop depression.
Studies show that if an identical twin suffers from depression, the other has a 70% chance of developing the same mental illness.
Specific changes in the brain structure can cause the release of chemicals in the brain that triggers signs of depression in a person.
Someone with a history of abusing drugs or alcohol is at significant risk of developing symptoms of depression. Mental illness can occur later in life if the person gets clean from the addictive substances, triggering withdrawal symptoms and causing depression.
An individual's surroundings can affect their everyday lifestyle. Continuous exposure to neglect, poverty, abuse, or violence can put some people at risk of depression.
Medical Conditions or Medications
Specific medical conditions like cancer, diabetes, heart disease, and more are linked with a higher chance of mood disorders, including depression. Some people may also suffer depression symptoms from using certain medications.
Everyone has a unique perspective on life. People who have low self-esteem and are typical pessimists can easily get overwhelmed with stress. Such people are susceptible to mood disorders like depression.