"Body & Soul" is the thirteenth episode of the twelfth season of ER. It first aired on NBC on February 2, 2006. It was written by Joe Sachs and directed by Paul McCrane. It has Dr. Nate Lennox, a former biochemistry professor and mentor of Abby Lockhart, brought to the ER for his last stages of ALS disease while his progression of the disease is shown in flashbacks. Actor James Woods, who portrayed Dr. Lennox, received an Emmy nomination for Outstanding Guest Actor in a Drama Series.