Family members say Robin Williams had battled with depression for years.
According to the National Institute of Mental Health, the disorder affects every age group and more than six percent of American adults.
News Leader 9 spoke with local health professionals today about depression.
Dr. Beverley Townsend, the Commissioner of Health and District Health Director for Muscogee County, listed some of the signs.
"When you don't enjoy things that you normally enjoy," Dr. Townsend said. "So losing pleasure and not having joy and feeling lonely and feeling negative a lot of times as opposed to being positive and upbeat."
Dr. Townsend says there are a variety of treatments for depression, and medication is not an instant cure.
According to medical experts, there are warning signs for people who are at risk for suicide.
It starts with the person talking about wanting to die or to kill themselves
Talking about feeling hopeless or having no reason to live
Talking about being a burden to others is another sign along with increasing the use of alcohol or drugs.
Acting anxious or agitated; behaving recklessly.
Feeling withdrawn or feeling isolated.
Displaying extreme mood swings
If you know someone who displays these symptoms you should help them seek a mental health professional.
The local helpline for the Chattahoochee Valley area is (706) 327-3999.