There are many different types of symptoms and many ways the disease can affect people.
An area counselor says the most important step is for people who are depressed to seek treatment.
"About 80 percent of people can be effectively treated and will experience significantly improvement in a matter of two to three months."
There are a number of different helplines.
Here in Eau Claire, the county's Human Services Department has a 24 hour helpline 832-5030. Contact your county for more information on treatments available.
Otherwise, the National Mental Health Association is also available at 1-800-273-8255.