
Depression (major depressive disorder) is a widespread and serious medical condition that impacts how you feel, think, and behave. Fortunately, it is also treatable. It leads to feelings of sadness and/or a loss of interest in activities that were once enjoyable. It can result in various emotional and physical issues and may reduce a person’s ability to function both at work and at home.
Symptoms can vary from mild to severe and can include:
Symptoms must last at least two weeks for the best diagnosis.
Medical conditions (e.g., thyroid issues, a brain tumor, or vitamin deficiencies) can mimic the symptoms, so it is important to rule out underlying medical causes.
Depression affects approximately one in 15 adults (6.7%) each year. Additionally, one in six people (16.6%) will experience it at some point in their lifetime. It can develop at any stage of life, but it most commonly begins in the late teenage years to mid-20s. Women are at a higher risk of experiencing depression than men. Some studies suggest that one-third of women will have a major depressive episode during their lifetime.
Depression can impact anyone, regardless of how stable or fulfilling their life may seem from the outside.
Several factors can play a role: