Depression is an illness or anxiety that fills people with sadness and questions their worth. There are many reasons that lead people to feel a certain way, and it comes in many different forms. It brings with it many different effects on people's lifestyle. Depression affects people of all ages and genders. There are many reasons why so many people become depressed. This disease has the ability to completely control the person, resembling the change in his mood. For example, constantly eating and sleeping most of the day or not eating as they should. Causing them to have difficulty functioning normally during their daily activities. This is one of the reasons why they may lose or gain weight, in some cases they do not eat because they lose enthusiasm for life during the period of depression. The effects that depression has on someone can be truly devastating. There are many minor effects of depression, but there are also a number of major effects that know how to change a person's life. A couple of minor effects can be low self-confidence, being sad most of the time, and unexpected mood changes. The main symptoms have a serious negative effect on someone's life and their body. So terrible that it drives them crazy, they start harming themselves by consuming unhealthy substances such as drugs and alcohol. Depression often drives people to commit suicide. The lack of self-conviction also pushes someone to not value their life and to kill themselves to escape a life that no longer has meaning for them. They also cut themselves, think the pain from the wound will make them feel better, and see it as an alternative way to deal with their problems. The disease not only affects the depressed person, but also affects his friends and family in a negative way. If someone is going through a period of depression they also bring their loved ones with them, if they are on the verge of committing suicide due to the illness, they might even try to kill someone else they don't like. Nobody really knows what they will do, since they do not care about themselves and have nothing to lose according to their mentality. It causes more stress to an already stressed individual, this causes the immune system to weaken. Thus making people more vulnerable to diseases.