RT Journal A1 Hampton T T1 PResurgery diet JF JAMA JO JAMA YR 2012 FD March 7 VO 307 IS 9 SP 904 OP 904 DO 10.1001/jama.2012.222 UL http://dx.doi.org/10.1001/jama.2012.222 AB Dietary restriction is known to extend life span and increase resistance to multiple forms of acute stress in experimental mammals. Studies in nonmammalian organisms indicate that nutrient restriction rather than calorie restriction per se may be key to the benefits of dietary restriction.