Doctors say anger can be an extremely harmful emotion, unless you learn how to deal with it. They warn that angry feelings can lead to heart disease, stomach problems, headaches, emotional problems and possibly cancer. Anger is a normal emotion that we all feel from time to time. Some people express anger openly in a calm, reasonable way. Others burst with anger, losing control of themselves. But still other people control their anger. They cannot or will not express it. Recently some doctors have found that people who express anger too often and violently become, in fact, more and not less angry. This can cause medical problems. Some doctors say that both controlling and expressing anger can be dangerous. They believe that those who express anger strongly may be more likely to develop heart disease, and