Depression can be caused by many things, such as trauma, prolonged sadness, financial problems, to not have a job. But apparently without experiencing these things a person can also experience depression.
In fact, there are things that may not be aware that contribute to depression. Consider the things that are unexpected causes of depression follows.
1. Smoke
Smoking has long been associated with depression, though not clear exactly what causes us pain, smoking causes depression or depression causes people tend to smoke.
However, substances contained in cigarette nicotine is known to affect neural activity in the brain thereby increasing the levels of dopamine and serotonin which acts as an antidepressant drug. Risk if not smoking, the body will lack the dopamine and serotonin resulting in depression. This is what makes cigarettes is addictive.
2. Thyroid Disease
When the thyroid, a butterfly-shaped gland in the neck, does not produce enough thyroid hormone (hypothyroidism), then one can experience depression. This hormone actually has many functions, but one of its main function is the conduction of nerve stimulation and regulate serotonin levels.
3. Poor sleep habits
Sleep is important not only need to keep the body from inflammation, but also of depression. A study found that healthy people who sleep less have a greater brain activity when viewing upsetting images than those who do not. Activity of the brain is a hallmark of annoyed when a depressed person.
Director of the Center for Circadian Medicine says Dr. Matthew Edlund, if not enough sleep, the brain does not have time to repair cells damaged brain that disrupts the brain's performance. Performance of the brain is one of the causes of depression.
4. Too much use of social media
A number of studies have shown, too much use of social media associated with depression, especially in teens. This happens due to the lack of human interaction in real life, and tend to think is not realistic in the world.
5. Completion of television shows or movies
When something important ends, such as large-scale home renovations, movies, television shows and even ended, people tend to feel depressed.
According to assistant professor of communication at Ohio University Emily Moyer-Guse, people can experience stress while watching the show because it felt a strong bond in the role played. So that when an end, they tend to feel depressed.
6. Residence
The study found that people who live in cities have a stress level 39 percent higher than those who live in the village. According to a study, people who live in cities have higher brain activity because of stress experienced. So that prolonged stress will lead to depression.
7. Too many choices
When faced with many choices, people may be experiencing depression. From simple things like food, choose the best and suitable to the needs can be very tiring.
8. Eating less fish
Less intake of omega-3 fatty acids found in salmon and vegetable oils are known to increase the risk of depression.
9. Drugs
Depression is sometimes a side effect of the use of many drugs, such as insomnia medications, cholesterol-lowering, and some other drugs.
10. Pill
Like drugs, birth control pills also have side effects, one of which is depression. Although this effect is not present in every person.
