Washington (AP) - What's it going to cost me?

Americans are worried about the fine print in the health care overhaul, an Associated Press poll says, and those concerns are creating new challenges for President Barack Obama as he tries to overcome doubts in Congress.

Despite a widely shared conviction that major health care changes are needed, Democratic bills that aim to extend coverage to the uninsured and hold down medical costs get no better than a lukewarm reception in the latest results.

The poll found that 43 percent of Americans oppose the health care plans being discussed in Congress, while 41 percent are in support. An additional 15 percent remain neutral or undecided.

There has been little change in that broad public sentiment about the overhaul plan from a 40-40 split in an AP poll last month, but not everyone's opinion is at the same intensity. Opponents have stronger feelings on the issue than do supporters. Seniors remain more skeptical than younger generations...