A popular zero-calorie sweetener could injure cells in the brain's blood vessels, a lab study finds. Here's what we know so ...

From this basic fact, we can extrapolate a few things, most especially that all the cells that make up your body today came ...

Studying over 100 freshly donated eggs, scientists discovered that slowing protein breakdown helps minimize harmful byproducts that could damage DNA. The eggs also perform a last-minute “spring ...

Each human is a finely tuned orchestra of more than 37 trillion cells. Mapping this little-known world is one of biology’s greatest challenges — and one in which scientists say they just made ...

In a major new finding almost a decade in the making, researchers at Harvard Medical School say they’ve found a key that may ...

The mRNA molecule eventually breaks down in the body. The Cleveland Clinic reports that the risks of mRNA vaccines include ...

Mitochondrial mutations don't seem to build up in women's eggs as they age, which suggests they may have evolved a mechanism ...

Entamoeba histolytica is a single-cell parasite that causes intestinal disease, but sometimes invades the body, attacking cells and creating liquefying abscesses. UC Davis parasitologist Katherine ...

Entamoeba histolytica infects nearly 50 million people each year and kills around 70,000. It’s a shape-shifting parasite that invades the human gut, often causing mild symptoms like diarrhea.

Scientists can "poke the cells, perturb the cells" in ways that wouldn't be possible in human subjects, she said. Thus, making true-to-life organoids can help reveal how diseases arise and which ...

Cutting calories doesn’t just slim you down—it also reduces cysteine, an amino acid that flips fat cells from storage mode to ...

This parasite rips apart human cells and wears them as disguises E. histolytica kills at least 50,000 people every year. Microbiologists have a battle plan. Andrew Paul May 12, 2025 3:34 PM EDT ...