The U.S. Food and Drug Administration (FDA) has approved the first-ever clinical trials testing pig kidney transplants in people with kidney failure, marking a major step forward in cross-species transplantation.

Two biotechnology companies, United Therapeutics Corporation and eGenesis, have been cleared to begin their studies this year.Full Page

They're small, colorful and marketed as safe sensory toys but water beads have sent thousands of kids to the emergency room -- and now, experts and parents want their sale to be banned.

Water beads can expand up to 100 times their size when exposed to water. If swallowed, they can cause intestinal blockages, breathing problems and even tox... Full Page

Tiny microplastics are making their way into the human brain, and new research suggests the problem is getting worse.

The new study, published Feb. 3 in the journal Nature, found that brain samples collected in 2024 contained significantly more microplastics than those taken eight years earlier.

Researchers say the amount of... Full Page

Hospitalizations for firearm injuries sharply increased in the wake of the COVID-19 pandemic after years of steady decline, a new study says.

Overall, 34% more people landed in the hospital for a gunshot injury in 2020 and 2021 than would have been predicted based on pre-pandemic trends, researchers reported Jan. 27 in JAMA Network Ope... Full Page