88% of Americans say marijuana should be legal for medical or recreational use. Just 11% say the drug should not be legal in any form.

Americans largely favor legalization of the drug, including 57% who say it should be legal for both medical and recreational use.

Last year, Ozempic, Rybelsus and Wegovy had combined sales of about $21.1 billion globally – up 89% since 2022.

Just 20% of the public views the coronavirus as a major threat to the health of the U.S. population and only 10% are very concerned about getting a serious case themselves. In addition, a relatively small share of U.S. adults (28%) say they've received an updated COVID-19 vaccine since last fall.

Just 12% of Republicans and Republican leaners say dealing with climate change should be a top priority for the president and Congress.

About three-quarters of Americans say they have heard a lot or a little about Ozempic, Wegovy and other similar drugs that are being used for weight loss. Among those familiar with these drugs, 53% think they are good options to lose weight for people with obesity or a weight-related health condition.

More than half of U.S. adults (56%) said that widespread use of brain chips to enhance cognitive function would be a bad idea for society.

28% of U.S. adults are religiously unaffiliated, describing themselves as atheists, agnostics or “nothing in particular” when asked about their religion.

More Black Americans say health outcomes for Black people in the United States have improved over the past 20 years than say outcomes have worsened.

Here’s a look back at 2023 through some of our most striking research findings.