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. US & World Videos 3:15 NSC reviewing cease-fire proposal: ‘I don't know that it gets any more sensitive than it is right now' 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks 1:47 Reese Witherspoon and Ryan Phillippe's daughter Ava calls out body shamers 1:41 Trump fined additional $1,000 for gag order violation and threatened with jail 0:53 Man attempts to shoot pastor during church service