Recently, Lindsay hasn't felt herself. She was a really good student, but her grades (fall) since three months ago. This is she sometimes has trouble paying attention to her study. She also refuses to talk with teachers and friends. What's worse, she feels (tire) all the time, but has difficulty in falling asleep. What she does is brought to her mother's attention. , when her mother asks her what happens to her, she just says she feels like (cry).
As a matter of fact, Lindsay is suffering from clinical depression (临床抑郁症). What is clinical depression? It can be described as a mood is so low that affects your everyday life seriously. The first signs of it in teens are (poor) school reports than before, then learning difficulties and (stay) away from classmates and teachers. If you have these signs, don't worry. It is not so difficult to deal clinical depression. There are many effective ways, such as medicine, expression of feelings, more exercise and balanced diet.