You feel like you no longer enjoy doing things that used to make you happy; you don't want to socialize with anyone, you feel competently sad, and you have become pessimistic and hopeless about anything, so you wonder what is causing you this terrible experience? The answer may be that you are depressed. From time to time, we all experience some periods of sadness and instability in our lives, but depression is different from these occasional feelings. Depression affects everything in your life and doing easy tasks and daily activities becomes difficult, you find it difficult to look for the positive things and you find yourself stuck on the negative side. A question we might all ask ourselves will be how to know if we are depressed or just. just sad? In order to answer this question, we must first understand the definition of depression. In today's medical news, depression is defined as: "A medical illness that causes a constant feeling of sadness and lack of interest." » Depression is a critical condition that affects a person's body and mind, it affects all conditions of our daily lives, including sleeping, living, socializing, working, not to mention how each of us thinks about ourselves- even. It is not easy to stop depression. A depressed person can't just feel better. Without any proper treatment, symptoms can last for long periods of time, such as months or even years. Despite treatments available to help depressed people, only about a third actually seek treatment, which is dismal because about 80 to 90 percent of those who receive treatment feel better within a month . But why don't so many people seek help? There are many different factors that could likely...... middle of paper ......al medical condition such as hypothyroidism. The sixth type of depression is seasonal affective disorder (SAD). In this disorder, people experience depression in different seasons or times of the year. Additionally, the seventh type of depression is postpartum depression, an unusual type of depression that occurs in women about one week to six months after giving birth. The eighth form of depression is called substance-induced mood disorder. Depression may begin or be precipitated by an overdose of substances such as medications, toxins, drugs and alcohol. The ninth and final form of depression is premenstrual disorder. This is a bizarre variety of depression affecting a small percentage of menstruating women. This is a periodic condition in which women may feel depressed and exasperated for one or two weeks before their period. month.