A fellow sought advice from his doctor, as he was suffering greatly from a miserable cold. Some pills were prescribed, but they brought no relief.
On his next visit the doctor gave him a shot, but still little improvement was shown
On the third visit, the doctor told the man to go home and take a hot bath. As soon as he was finished bathing, he was to throw open all the windows and stand in the draft.
"But doc," protested the patient, "if I do that, I'll get pneumonia."
"I know," said his physician, "I can cure pneumonia ..."