What type of joint in the body that can't allow movement

The bones in your skull are held together with fibrous connective tissue. Other joints, such as those between the vertebrae in your spine, which are connected to each other by pads of cartilage, can only move a small amount.
I looked it up

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.