Sen. Elizabeth Warren Elizabeth Ann WarrenWoman to undecided Biden: 'Just say yes' to 2020 bid Raising taxes on the wealthy is 'extremely popular,' says Dem pollster 64 percent say Democratic Party supports socialism, says poll MORE (D-Mass.) said Thursday she is co-sponsoring Sen. Bernie Sanders Bernard (Bernie) SandersSenate Dems seek to turn tables on GOP in climate change fight Bernie Sanders Town Hall finishes third in cable news race, draws 1.4 million viewers Woman to undecided Biden: 'Just say yes' to 2020 bid MORE's (I-Vt.) "Medicare for All bill," the latest Democrat to back a signature Sanders campaign issue.

"I believe it’s time to take a step back and ask: what is the best way to deliver high quality, low cost health care to all Americans?" Warren, often considered a potential presidential candidate in 2020, said in a statement Thursday.

"Everything should be on the table — and that’s why I’m co-sponsoring Bernie Sanders’ Medicare for All bill that will be introduced later this month."

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Warren joins Sanders, Sen. Kamala Harris Kamala Devi HarrisDem introduces bill to push back Ohio presidential primary Cohen grilled by Senate Intelligence panel Bernie Sanders Town Hall finishes third in cable news race, draws 1.4 million viewers MORE (D-Calif.) and even more moderate Senators like Sen. Jon Tester Jonathan (Jon) TesterWhite House pleads with Senate GOP on emergency declaration Overnight Energy: Trump ends talks with California on car emissions | Dems face tough vote on Green New Deal | Climate PAC backing Inslee in possible 2020 run Dems face tough vote on Green New Deal MORE (D-Mont.), who this week said that the idea deserves attention.

Warren said Sanders's plan is a way for every person in the country to have access to high-quality health care.

"Everyone is covered," she said. "Nobody goes broke paying a medical bill. Families don’t have to bear the costs of heartbreaking medical disasters on their own."

Warren called health care a basic human right, adding that it's "time to fight for it."

She touted the accomplishments of ObamaCare, saying former President Barack Obama Barack Hussein ObamaChicago's next mayor will be a black woman Obama portraits brought more than 1 million visitors to National Portrait Gallery in first year With low birth rate, America needs future migrants MORE "deserves tremendous credit."

"But there's so much more we could do right now to bring down the costs of quality health care for every American," she wrote.

Last month, Harris announced during a town hall her support behind Sanders's "Medicare for All" bill.

"I intend to co-sponsor the 'Medicare for All' bill because it’s just the right thing to do," Harris, another potential Democratic presidential hopeful, announced Wednesday at a town hall in Oakland.

"It's not just about what is morally and ethically right, it also makes sense just from a fiscal standpoint," she said.