If you are an English learner, reading in English gives you many big advantages that you can not afford to ignore it!
First of all, reading English books or articles helps you to improve your vocabulary and grammar. Almost English contents you encounter will be written in correct and precise English. So you will learn lots of correct sentences and words by reading those texts. But many people afraid of new words when reading English books which is usual and shouldn't see as a problem. Those new worlds will stay in your brain once you read more texts about the same subjects, for example: medical or technology. Once you master those words, reading will become a leisure activity for you.
Secondly, most of the world's best books are written in English. So improving your English reading skill will be an important key to your future success. If you are a college student, you can clearly see that most of the reference books of your courses are in English. Of course, there are translated editions to some books you want to read. But normally, translated editions somewhat altered contents of original editions and will not fully give you ideas the authors want to tell you.
Finally, according to scientist reading in any language or in English with good contents will keep your brain sharp! No matter how old are you, keeping your mind sharp is a key activity to make you live longer. Besides, with a good brain, you will live your life to the fullest. What can be better than this!
In conclusion, reading in English helps English learners improving their language skills and also give them opportunity to put their English skills to use. In addition to that, reading English books will broaden your knowledge and help you sharpen your brain and live a best life. So, make this as your everyday activity and experience the good it bring to you.