English is becoming an important language for foreign students who do not have English as their mother tongue. English as a second language is difficult to learn. Most of the learners are on their university study and are considered adult learners. The study was made to improve the English learning experience of international students whose aim is to learn the language. This book is about factors that affect the learning ability of English learners. Stress is one of the major factors in learning. There are some other factors that affect the ability to learn. Some of those factors are peer, environment, academics and teachers. This study suggests nursing interventions for teachers to enhance the learning ability of their students. This book can help other researchers to improve their studies regarding adult learning.