Norman Cousins was a businessman from.......英语完形填空哪有完整的？

Happy Therapy (诊疗)

Norman Cousins was a businessman from the United States who often traveled around the world on business. He enjoyed his work and traveling.
Then, after returning to tile United States from a busy and tiring trip to Russia, Mr. Cousins got sick. Because he had pushed his body to the limit of its strength on the trip, a chemical change began to take place inside him. The material between his bones became weak.
In less than one week after his return, he could not stand. Every move that he made was painful. He was not able to sleep at night.
The doctors told Mr. Cousins that they did not know how to cure his problems and he might never get over the illness. Mr. Cousins, however, refused to give up hope.
Mr. Cousins thought that unhappy thoughts were causing bad chemical changes in his body. He did not want to take medicine to cure himself. Instead, he felt that happy thoughts or laughter might cure his illness.
He began to experimen