English is the most language that people use. It is very important to learn more about different language. There are many effects of study in English. First of all,study in English makes more intelligent. It improves the performance of the brain through learning to recognize,interpret,or communicate. Another effect of study in English is enhances memory. The student have to remember how to use,or new vocabulary. Thus, it is brain's development. Finally,you can use English for communicate. If you travel abroad. you must use English in daily life such as,greeting,asking fir directions,or shopping. In sum,people who use English very well. They will have an advantage over others. because it is their own development,and can communicate,or talk to foreigners. Therefore,we must learn and increase your confidence to use English.