A study published Monday in The Lancet estimates that the USAID funding cuts could result in more than 14 million additional deaths by 2030. Nearly a third of those deaths – more than 4.5 million – are estimated to be among children younger than 5.

A new government study provides the most complete picture yet of early-onset cancers, finding that the largest increases are in breast, colorectal, kidney and uterine cancers.

Nearly half of U.S. teens say social media has a mostly negative effect on people their age — and almost the same proportion say they’re cutting back on social media use, according to a Pew Research Center report.

Eighty years after the Holocaust, more than 200,000 Jewish survivors are still alive but 70% of them will be gone within the next 10 years — meaning time is running out to hear the voices of the last generation who suffered through one of the worst atrocities in history.

Firearm injuries are the leading cause of death among children and teens in the U.S. Emergency medical service encounters for firearm injury spiked in 2021 and remain higher than before the COVID-19 pandemic.

The substances are illegal in most places, but the wave of scientific research focused on the benefits of supervised hallucinatory experiences has spurred Oregon and Colorado to legalize psychedelic therapy. Further opening the door to microdosing, a handful of cities have officially directed police to make psychedelics a low priority for enforcement.

A new study found shingles vaccination cut older adults’ risk of developing dementia over the next seven years by 20%. The research is part of growing understanding about how many factors influence brain health as we age – and what we can do about it.

Native American women have the highest rate of ovarian cancer. Black women with ovarian cancer have lower rates of survival compared to white women. Finding ovarian cancer early can lead to better chances of survival.

Finland is the happiest country in the world for the eighth year in a row, according to the World Happiness Report 2025 published Thursday. Other Nordic countries are also once again at the top of the happiness rankings in the annual report published by the Wellbeing Research Centre at the University of Oxford.

The genetic mutation linked to Huntington’s has long been known, but scientists haven’t understood how people could have the mutation from birth, but not develop any problems until later in life.

About a million Americans a year are expected to develop dementia by 2060, roughly double today’s toll, researchers reported Monday.

It’s the first time in recorded history that the planet was above a hoped-for limit to warming for an entire year, according to measurements from four of the six teams. Scientists say if Earth stays above the threshold long-term, it will mean increased deaths, destruction, species loss and sea level rise from the extreme weather that accompanies warming.

Researchers aren’t sure whether dinosaurs’ rise over the course of 30 million years happened because of luck, skill, climate or some combination. But they came away knowing this: “It was not a sudden thing,” said study co-author Martin Qvarnström from Uppsala University.

The study found Black women face more than double the rate of severe complications than White women. Additionally, living in high-poverty neighborhoods elevated maternal health risks across all racial groups.

The planting of a non-native milkweed and the practice of captive-rearing monarch caterpillars have been identified as two possible sources of monarchs failure to survive their fall migration.  

Despite the increased awareness of the term among Latinos — 47% have heard of it — only 4% or 1.9 million people use “Latinx” to describe themselves, an increase of 1 percent since 2019, according to the study by the Pew Research Center.