Emotions can be described as an excited state of mind in reaction to certain thoughts or stimuli.They can be positive as well as negative.The positive emotions are those which make a person happy.Some of the examples of positive emotions are,love,happiness,pleasure and pride.Negative emotions make a man unhappy.Anger,fear,sadness,hate,disappointment and pain are the examples of negative emotions.

Many doctors believe that the new Born’s have no emotions at all.They learn them through environment just as they learn to walk and talk.A young child,for example,may not have a fear of a growing dog or a snake unless it bites the child.Then he may develop a fear and avoid in future.

The emotions cause may chemical changes in the body which is a part of the body’s defence mechanism.For example,if a person is in a dangerous situation,his adrenal gland sends a hormone called adrenalin into his blood stream.As the blood travels,the adrenalin makes his heart beat faster,sending more blood to his brain and muscles.At the same time,more sugar enter his blood to give his body extra energy to handle the difficult situation.

The emotional disturbances can cause various physical ailments.These include asthma,stomach ulcers,rheumatoid arthritis(stiffness of the bone joints) and hypertension.The hysteria is also a result of the emotional disturbances.In this disorder,the patient feels paralysis of some body part though the organ is actually not paralysed.The nerves and muscles are capable of working normally but a mental disorder prevents this.The physicians have found out that such disorders require both medical and psychiatric treatment to cure the patient