Candidates seeking the 2020 Democratic nomination for president during Thursday's primary debate again clashed over so-called "Medicare-for-All" proposals—closing out the final debate of this year with a topic that has dominated the Democratic presidential primary debates so far.

Former New York City Mayor Michael Bloomberg (D) and entrepreneur Andrew Yang, who are among the candidates competing for the 2020 Democratic presidential nomination, this week released their respective health reform plans.

Former Vice President Joe Biden, who is seeking the 2020 Democratic nomination for president, is "healthy, vigorous," and "fit to successfully execute the duties of the presidency," according to a physician's report that Biden's campaign released Tuesday.

Former New York City Mayor Michael Bloomberg (D), who is seeking the 2020 Democratic nomination for president, on Thursday released a letter from his doctor saying he is "a 77-year-old man in outstanding health."

A record number of U.S. adults say they have put off receiving medical care due to cost, yet many say they are satisfied with their overall costs for health care, according to Gallup's annual Health and Healthcare poll.

Sen. Elizabeth Warren (D-Mass.), who is seeking the 2020 Democratic nomination for president, on Friday released a hematology report and a letter from her physician describing her as "a very healthy 70-year-old," making her the first Democratic presidential candidate over age 69 to disclose her health status.

Virginia Gov. Ralph Northam (D) on Wednesday announced the state is dropping efforts to approve work requirements for Medicaid beneficiaries after Democrats last month won control of the state legislature, making it the latest state to "pause" work requirements amid challenges to the program.

In the Democratic presidential debates, public option health plans are being positioned as more "moderate" and less "disruptive" alternatives to single-payer proposals, such as Medicare for All—but what is lost in that framing is just how much public option plans would disrupt the current system, Margot Sanger-Katz writes for the New York Times' "The Upshot."

South Bend, Indiana, Mayor Pete Buttigieg (D), who is seeking the 2020 Democratic nomination for president, on Tuesday released a plan intended to combat inequality in the U.S. health care system.

Former New York City Mayor Michael Bloomberg (D) on Sunday announced that he has entered the race for the 2020 Democratic nomination for president, and a video launching his campaign touched on his views regarding health care reform.