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About 80% of parents currently choose to follow CDC guidelines to vaccinate their babies for hepatitis B at birth. timnewman/iStock via Getty Images Plus

Hepatitis B shot for newborns has nearly eliminated childhood infections with this virus in the US

Before universal vaccination for hepatitis B began in 1991, 18,000 children contracted the virus by age 10 each year, and most of them developed chronic illness and liver damage. Vaccination reduced those infections by 95%.
Scholars have long assumed happiness was like a U-shaped curve − which looks a bit like a smile. Richard Baker/In Pictures via Getty Images

Happiness in poorer countries does not follow the typical U‑shaped curve − people are often happiest in middle age

In nonindustrialized societies, health, productivity and economic security play much larger roles in determining happiness among aging populations, a new study finds.
Many Americans seem to think their political rivals have a lower opinion about them than they actually do. Andrii Yalanskyi/iStock via Getty Images

Learning your political opponents don’t actually hate you can reduce toxic polarization and antidemocratic attitudes

A new video intervention shows correcting Americans’ exaggerated views of political opponents can defuse tensions, reduce support for antidemocratic practices and promote a healthier democracy.
Some Gen Zers and millennials might not identify as readers because they assume the reading that they do doesn’t ‘count.’ Andrew Lichtenstein/Corbis via Getty Images

Gen Zers and millennials are still big fans of books – even if they don’t call themselves ‘readers’

It turns out that identifying as a reader can be more about community, wealth and gender than how much someone actually reads.
Coffee is not the only way to fight boredom. Vladimir Vladimirov/E+ via Getty Images

How to battle boredom at work

New research suggests alternating boring and meaningful tasks can keep workers more engaged and productive.

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