How campaigns shift their message to reach key demographics

Top five foods to lower cholesterol

Dr. Rosenfeld answers viewer e-mails

Evidence of heightened risk for heart disease can be heard in neck

Study: Corticosteroid creams no help for sunburns

Should you delay taking painkillers?

Safety study: Put child car seat in center of backseat

Democratic and Republican Party fundraising chiefs consider positives and negatives of this year's congressional elections

The Marine Corps Band provides the soundtrack for U.S. history

Group ships care packages to troops serving overseas