May 7, 2010 11:14 am Birth Control and Sex Drive Why birth control may lower your libido. US & World Videos 1:49 New guidelines say women should be screened every other year for breast cancer starting at 40 3:54 Project HOME celebrates 35 years helping people in Philly 2:31 Keith Jones, Erin Coleman swing for the fences at Phillies' ballpark. How did they do? 3:04 PurpleStride event in Philly raises money for those battling pancreatic cancer 3:27 ‘Take a Breather' and run to help battle against cystic fibrosis