1. The happiest (and unhappiest) countries in the world (March 22)

In the latest "World Happiness Report," the United States has fallen out of the top 20 for the first time, a decline largely due to dissatisfaction among younger Americans.

2. The 10 best hospitals in the world, according to Newsweek (March 1)

Newsweek in February released its list of "The World's Best Hospitals 2024," with Mayo Clinic taking the top spot.

3. Is it bad to eat late at night? What the research says. (February 5)

According to a recent study of more than 34,000 U.S. adults, almost 60% said it was normal for them to eat after 9 p.m. But research has found that eating late at night could have a variety of negative effects on your body, Alice Callahan reports for the New York Times.

4. 5 well-intentioned behaviors that actually hurt your team (April 29)

Writing for the Harvard Business Review, executive coach Nihar Chhaya outlines five common things managers do that are well-intentioned but can ultimately hurt their teams.

5. Forgetfulness: When it's a normal part of aging (and when it's not) (February 28)

As we grow older, memory problems can become worrisome. But what level of forgetfulness is "normal"? Health experts detail the fundamentals of memory function and offer five tips to improve brain health over time. 

6. Could COVID-19 be behind the rise in rare and aggressive cancers? (June 12)

Since the pandemic, there has been a rise in new cancer cases, including rare and aggressive, late-stage cancers — and some physicians and researchers believe that COVID-19 may be behind this increase.

7. Charted: The top 10 causes of death in the US last year (August 13)

COVID-19 deaths dropped significantly in 2023, helping the overall death rate in the United States fall 6%, according to provisional data published in August by CDC. See last year's leading causes of death on our interactive charts.

8. Alcohol could increase your risk of these 7 cancers (July 17)

According to a new study from the American Cancer Society and the International Agency for Research on Cancer, around 40% of all U.S. cancer cases in individuals ages 30 and up were due to "potentially modifiable risk factors," including alcohol, which was associated with seven different cancers.

9. What a second Trump term could mean for healthcare (November 6)

Donald Trump has been elected the next president of the United States, which could have significant impacts on public health agencies, health insurance, and more. Here's what you need to know.

10. The 8 essential qualities of a successful leader (January 9)

Writing for the Harvard Business Review, Rebecca Knight outlines eight qualities that Linda Hill, a professor at Harvard Business School and a top expert on leadership, says are essential for successful leaders.