Articles on New research

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Higher vitamin D levels in a mother’s blood during pregnancy have been linked to higher IQ scores in early childhood and reduced behavioral problems. gpointstudio/iStock via Getty Images

About a third of pregnant women in the US lack sufficient vitamin D to support healthy pregnancies − new research

Vitamin D has long been known to play essential roles in boosting immune health and protecting the nervous system. New research now points to its critical importance in fetal development as well.
Catholic bishops invited by Mark Seitz, center, the bishop of El Paso, Texas, lead a march in solidarity with migrants on March 24, 2025, in downtown El Paso. AP Photo/Andres Leighton

Catholic clergy are speaking out on immigration − more than any other political issue except abortion

New research from sociologists finds that local Catholic leaders are more likely than many other Christian clergy to speak about immigration with their congregations.
Poorly functioning blood vessels lead to the characteristic muscle weakness that so many cancer patients experience. Artur Plawgo/Science Photo Library via Getty Images

Muscle weakness in cancer survivors may be caused by treatable weakness in blood vessels – new research

Many cancer survivors struggle with muscle weakness, which can be so profound that they may have difficulties walking up a couple of flights of stairs or going shopping for groceries on their own.
Yelp’s Black-owned tag was designed to help business owners like Don Studvent attract more customers. His restaurant closed in 2018 after nine years in business. AP Photo/Carlos Osorio

Detroit restaurants identified as ‘Black‑owned’ on Yelp saw a slight drop in business ratings

A feature designed to help Black-owned businesses may have hurt them. The increased visibility likely led to culture clashes and lower star ratings.
The research looked at the results of 31 studies and a total sample of more than 60,000 students. monkeybusinessimages/iStock via Getty Images Plus

More than half of US teens have had at least one cavity, but fluoride programs in schools help prevent them – new research

Fluoride varnish, easily and quickly applied to a child’s teeth, is an affordable and effective way to help prevent cavities.
The demographics of the special education teacher workforce have remained static, but the student population these educators serve is becoming more diverse. Courtney Hale/E+ via Getty Images

Diversifying the special education teacher workforce could benefit US schools

Declining interest in the teacher profession and recent Trump administration budget cuts pose challenges to developing a diverse educator workforce.
Plants use light to make energy – and a team of scientists is using the same principle to power chemical reactions. fhm/Moment via Getty Images

Light‑powered reactions could make the chemical manufacturing industry more energy‑efficient

Chemical manufacturing is an energy-intensive industry. A team of chemists is designing a technique that could power the necessary reactions with sunlight or LEDs.
Irina Shatilova/Shutterstock

Winter viruses can trigger a heart attack or stroke, our study shows. It’s another good reason to get a flu or COVID shot

Catching the flu or COVID can trigger a heart attack or stroke in vulnerable people. Here’s what we can all do to lower our risk.
Pooling procurement of drugs could increase the availability of essential treatments around the globe. narvo vexar/iStock via Getty Images Plus

When developing countries band together, lifesaving drugs become cheaper and easier to buy − with trade‑offs

Pharmaceutical companies have little incentive to sell drugs to countries that can’t afford them. But bargaining together can increase access to vital treatments worldwide.
Older adults generally have a good sense of their own financial abilities – unless they have dementia. shapecharge/E+ via Getty Images

Older adults with dementia misjudge their financial skills – which may make them more vulnerable to fraud, new research finds

Older adults are generally good at judging their capacity for handling their finances, but cognitive impairment degrades that skill. Proactive planning can help protect them from fraud.

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