The DFS object stores the DFS metadata for a domain-based namespace. The DFS object is created in Active Directory when you create a domain-based root, and Active Directory replicates the entire DFS object to all domain controllers in a domain.
Perhaps you have been diagnosed with major depression, and that's made you question why some people get depressed while others don't. Depression is an extremely complex disease. It occurs for a variety of reasons. Some people experience depression during a serious medical illness.
Is anxiety and depression the same thing? Many people who suffer from anxiety suffer from depression too. Short term anxiety usually clears up before causing depression, but anxiety disorder such as panic disorder and obsessive compulsive disorder very often lead to depression.