Lawyers for the Obama administration are fighting the biggest legal challenge to the landmark healthcare reform package.
They're presenting oral arguments in federal court, as they appeal a ruling by a Florida judge, who declared the plan unconstitutional.
They were joined by dozens of demonstrators who want to scrap the plan.
Protestors, who carried signs to show their opposition to the healthcare reform, said that the program takes away their right to choice.
"It's a train wreck. It's a financial train wreck," Allen Trent said.
"I don't want to be told what doctors, where to go, I want to make my own choice," Cynthia Rider said.
The protestors, organized by a group that calls itself Americans for Prosperity, want to overturn the Affordable Healthcare Act.
A Florida judge already ruled the healthcare reform act unconstitutional, backing claims by 26 states, including Georgia, that want it repealed.
Lawyers for the Obama administration, Wednesday morning, appealed the decision before a panel of judges in Atlanta's 11th Circuit Court.
The landmark healthcare law was touted as providing coverage to more than 30 million Americans who don't have healthcare right now, and promised to rein in costs by making the system more efficient.
Opponents said that government intervention will send costs rising.
"I would like to see private enterprise be the solution," said Virginia Galloway, who organized the rally.
CBS Atlanta News asked Galloway if the rally and the suits by the states are part of efforts by Republicans to dismantle healthcare reform.
"It's not anything to do with republicans," Galloway said. "This is to do with American people and the right to decide whether to buy health insurance."
After the hearing, attorneys general from some of the states that filed the lawsuit spoke to the press. Georgia Attorney General Sam Olens said he joined the lawsuit shortly after taking office because, "principles matter."
"When congress decides they're going to preclude the 10th amendment, and that they don't care about the wishes of the public, it is the roll of Attorneys-general throughout the country to fight that argument," said Olens.
But consumers like Kathie McClure of Atlanta said if the law isn't upheld, her family will continue to struggle to cover their healthcare costs.
"I have two children, a son and daughter. My son has type I diabetes. My daughter has epilepsy. For years we've worked to keep them covered."
No ruling is expected for months.
The case will likely go to the Supreme Court regardless of who wins this current round.
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