The Takeaway: Romney Presses Social Security Issue; Heavier Women Less Strong; Health Insurance’s “Good News”

A new study of older women finds those that are overweight actually have less leg strength and power than their normal-weight counterparts … A survey finds that the cost of employer-based health insurance will rise less this year than in the previous few … Scientists have found a way to reverse the aging of human stem cells"”which is good news, because our old fountain-of-youth hope"”'longevity genes'"”isn't holding up so well in light of new research.