In this way the teacher is showing that they want to make improvements where needed. Teachers could put up a suggestion box, and they can hand out evaluation forms at different times of the year. This shows the students that continuous improvement is important.
On this Page. Overview. Depression is a serious medical illness and an important public health issue. Depression is characterized by persistent sadness and sometimes irritability (particularly in children) and is one of the leading causes of disease or injury worldwide for both men and women.
However, people with persistent depressive disorder may also have major depressive episodes at times. Depression is a mood disorder that involves a person's body, mood, and thoughts. It can affect and disrupt eating, sleeping, or thinking patterns, and is not the same as being unhappy or in a blue mood, nor is it a sign of personal weakness or a condition that can be willed or wished away.