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.
Bipolar disorder (also called manic depression) is a mental illness that is characterized by severe mood swings; repeated episodes of depression; and at least one episode of mania. The National Alliance on Mental Illness (NAMI) estimates that 10 million Americans suffer from bipolar disorder.