It takes more than one mutant copy of the PIK3CA gene to make breast cancer more aggressive, study finds

Breast cancers that have an overactive PI3K enzyme tend to be more aggressive and to spread and divide more like stem cells. But a new study uncovers a surprising relationship between PI3K activity and mutations in the PIK3CA gene that codes for the enzyme.

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Students who repeat a grade experience more bullying, study finds

Students who have repeated a grade have higher risks of being victims of bullying in countries around the world, according to a new study of nearly half a million students.

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Unstable housing, homelessness associated with COVID-19 re-infection

New study results demonstrate that unstable housing and homelessness is associated with a two-fold greater chance of being re-infected with SARS-CoV-2 compared to those who are securely housed. The research indicates that unstable housing was the only demographical factor associated with re-infection despite the presence of antibodies from the first infection.

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New study finds evidence of COVID antibodies in breast milk of vaccinated mothers

Researchers found that two groups of mothers -- those who had disease-acquired immunity and those with vaccine-immunity -- had high levels of antibodies in their breast milk, and these antibodies provided neutralization against SARS-CoV-2.

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Lingering COVID symptoms in young, competitive athletes rare, large study finds

A new study shows that persistent symptoms following COVID-19 infections in collegiate athletes appear to be rare. Also rare is chest pain upon return to exercise, but is nonetheless a concerning finding that may warrant further clinical workup.

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Scientists discover sugar molecule on HIV-infected cell plays role in evading immune system

A new study shows how key features on the surface of HIV-infected cells help the disease evade detection by the immune system. It also shows how these features can be disabled.

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Sustainable, biodegradable glitter – from your fruit bowl

Researchers have developed a sustainable, plastic-free glitter for use in the cosmetics industry -- and it's made from the cellulose found in plants, fruits, vegetables, and wood pulp.

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