Psychologists suggest that to cure cruelty

Doctor Dean Ornish's program for fighting heart disease, as described by the author,

1. 
   involved easily-made changes to one's way of life
   
2. 
   was effective but incredibly expensive
   
3. 
   required the use of cholesterol-lowering medication
   
4. 
   was highly technical
   

2. 
   One interesting thing about this unconventional approach was
   

1. 
   that it not only stopped the accumulation of fatty substances in the arteries, but also lessened them
   
2. 
   that only one insurance company refused to pay for a patient to undergo this "alternative" treatment
   
3. 
   that it became popular very quickly although it was potentially risky
   
4. 
   the reluctance of people to try it, despite its low cost and simplicity
   

3.