Michelle Starr

Articles by Michelle Starr

Prion-Like Brain Damage Can Occur Without Infectious Prions, Study Finds - ScienceAlert

Health December 9, 2025

We may have been overestimating the role of a pathological class of misfolded protein in neurodegenerative disease. Called prions, these molecules are responsible for conditions such as bovine spongοΏ½...

Tinnitus Triggers Your Body's 'Fight or Flight' Response, Study Finds - ScienceAlert

Health December 7, 2025

Chronic tinnitus may increase stress levels by keeping the body that much closer to a fight-or-flight response to sound, a new study suggests. By carefully studying the facial expressions of people οΏ½...

How Long Poop Stays in Your Body Could Impact Your Health, Study Finds - ScienceAlert

Health December 3, 2025

Whether poop speeds through your gut like a bullet train or takes a more smell-the-roses approach could have more profound implications for your overall health than a first glance would suggest. AccοΏ½...

7th HIV Remission Raises Hope of Long-Lasting Treatment For More People - ScienceAlert

Health December 2, 2025

A German man remains in remission from HIV an incredible six years after he received a stem cell transplant to treat an aggressive form of leukemia. The seventh known HIV patient to achieve long-terοΏ½...

Study Reveals The Age You Hit The 'Tipping Point' Into Frailty - ScienceAlert

Health December 2, 2025

The bumpy trajectory of human aging may have a tipping point as we enter our twilight years, a new study has found. Past the age of around 75, our bodies can no longer easily recover from injury or οΏ½...

A Single 30-Minute Exercise Session Has an Immediate Antidepressant Effect - ScienceAlert

Health November 30, 2025

A single, half-hour session of moderate exercise is enough to confer an immediate mood-boosting effect, and now scientists have figured out why. In mice and likely humans that boost comes from the rοΏ½...

New 'Mutation Hotspot' Discovered in The Human Genome - ScienceAlert

Health November 29, 2025

Scientists have pinpointed precise regions in the human genome where DNA is most likely to develop a mutation. At spots where RNA polymerase 'opens' your DNA to read and copy instructions known as tοΏ½...

Strange Metal From Beyond Our World Spotted in Ancient Treasure Stash - ScienceAlert

Technology June 10, 2025

Amidst a cache of glittering golden treasures from the Iberian Bronze Age, a pair of corroded objects might be the most precious of all. A dull bracelet and a rusted hollow hemisphere decorated withοΏ½...