Depression is a mental health disorder that affects millions of people worldwide. It is characterized by persistent feelings of sadness, hopelessness, and a lack of interest in activities that were once enjoyable. Depression can also cause physical symptoms such as changes in appetite, difficulty sleeping, and fatigue. While everyone experiences feelings of sadness and grief from time to time, depression is a more severe and long-lasting condition that can significantly impact a person's quality of life. It can also lead to feelings of isolation, social withdrawal, and suicidal thoughts. Fortunately, depression is a treatable condition, and there are many effective treatments available, including therapy, medication, and lifestyle changes. Seeking professional help is an essential step toward managing depression and improving one's overall well-being.