February 4, 2009 5:40 pm Twin Study: Anti-Aging You’d think identical twins would age the same, but healthy lifestyle choices have a big impact on how they aged. Find out the secrets of the younger looking twins. Local 0:44 At least 5 shot along Connecticut Avenue in Dupont Circle 1:36 O.J. Simpson's cause of death revealed 2:36 Super dad makes Mario-themed obstacle course for son's birthday 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business'