symptom是什么意思？

They show fewer withdrawal symptoms.

Instead of giving people practice, the gradual reduction likely gave them cravings ( ' , 瘾) and withdrawal symptoms before they even reached quit day, which could be why fewer people in that group actually made it to that point.

They were less likely to report symptoms of depression than those in the other facilities, for instance, and less likely to be bored or lonely.

The website for Orzack's center lists the following among the psychological symptoms of computer addiction: Having a sense of well-being (幸福) or excitement while at the computer

Physical symptoms listed include dry eyes, backaches, skipping meals, poor personal hygiene (卫生) and sleep disturbances

The class differences in child rearing are growing—a symptom of widening inequality with far-reaching consequences.

They suffer from depression without showing any symptoms.

The group that scored high on all nine of the risk behaviors was most likely to show symptoms of depression; in all, nearly 15% of this group reported being depressed, compared with just 4% of the low-risk group.

Depression and anxiety are the most common symptoms of mental problems.

But a new study finds that there's another group of adolescents who are in nearly as much danger of experiencing the same psychiatric symptoms: teens who use tons of media, don't get enough sleep and have a sedentary ( ' , 不爱活动的 ) lifestyle.

They exhibit similar symptoms.

Besides these symptoms of altitude sickness, others such as headache and fatigue may also occur.

The most important warning is this: if you have severe symptoms and they don't go away, go down

Fatigue is a typical symptom of lack of exercise.