Depression, also known as major depressive disorder or clinical depression, is a prevalent and serious mood disorder affecting how a person feels, thinks, acts, and perceives the world. It's characterized by a persistent feeling of sadness and a loss of interest or pleasure in activities. Depression is more than just feeling down; it interferes with daily functioning and can manifest differently in individuals. Globally, an estimated 5.7% of adults suffer from depression. Women are more likely to be affected than men.
Symptoms of depression can include persistent low mood or sadness, feelings of hopelessness and helplessness, low self-esteem and a loss of interest in activities. Physical symptoms can also manifest, such as changes in appetite or weight, disturbed sleep, and unexplained aches and pains. Depression can occur at any age, with the average onset in the late teens to mid-20s. Adverse life events like unemployment or trauma can increase the likelihood of developing depression. Research indicates that chronic stress can lower levels of the protein Reelin, impacting both gut health and potentially worsening depression.
Depression is treatable, often through a combination of talk therapy and medication. However, approximately 50% of individuals do not respond to first-line treatments, highlighting the need for personalized approaches. Recent Stanford research suggests that advanced brain imaging and artificial intelligence can identify distinct biological subtypes of depression, potentially leading to more effective, tailored treatments.
Untreated depression can lead to significant impairments in various aspects of life, including work, school, and relationships, and can increase the risk of suicide. Recognizing the symptoms and seeking timely medical help are essential. If you or someone you know needs support, call or text 988 for the Suicide & Crisis Lifeline.