The best diets for 2021, according to U.S. News; why Haven failed to disrupt health care; and more.

The best diets for 2021, according to US News (Monday, January 4)

Ready to put that New Year's resolution into action? Find out which diets are best for weight loss, ease of following, and more, according to U.S. News & World Report's annual rankings.

Haven was supposed to disrupt health care. Why did it fail? (Tuesday, January 5)

Haven—the much-hyped health care venture launched in 2018 by Amazon, Berkshire Hathaway, and JPMorgan Chase—is officially disbanding, the company announced Monday. But why did such an ambitious and prominent project fail to catch on, at least in its current form? Advisory Board's Andrew Rebhan shares his biggest lessons learned.

If you've had Covid-19, do you still need a vaccine? Here's what the experts say. (Wednesday, January 6)

The United States has just started rolling out the country's two authorized Covid-19 vaccines, but some of the more than 20 million Americans who've had Covid-19 are wondering: Do I need to get vaccinated? Vox's Brian Resnick spoke with immunologists and vaccine experts to find out.

How long can Covid-19 destroy your sense of smell? Here's what the evidence says. (Thursday, January 7)

A large prospective study in the Journal of Internal Medicine followed Covid-19 patients who reported losing their sense of smell—and it found worrying signs that some may not regain their olfactory function, even after months of recovery.

Will vaccines stop the new coronavirus strains? Here's what scientists say. (Friday, January 8)

As scientists around the world are closely monitoring the spread of a new, more infectious variant of the novel coronavirus, they've spotted a brand-new, potentially more worrisome mutation—one that could have a far greater impact on the abilities of vaccines to protect people from infection.