
Raymond Singer, M.D., chief of cardiac surgery at Philadelphia’s Jefferson Einstein Hospital, released a book, “I Used to Be an Athlete: The Three ‘E’s’ for the Preservation of Youth,” in March, describing ways to improve personal health and focusing on eating, exercise, and emotion.

 
                         
                        


 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                