The blog written by Dr. Mercola is indeed a big revelation, considering the fact that most individuals believe that depression is caused by unbalanced brain chemicals.
The article presented some underlying causes of depression that may not have been discovered in the past.
One of the interesting information that was revealed was that insomnia can be linked to depression.
Lack of sleep is perceived to be one of the symptoms of depression, but in this article, insomnia takes precedence over depression.
Another notable information shared in this article is that chronic inflammation is one biological factor that can trigger depression.