Sunday, September 7, 2025

Closing some tabs

Streptococcus mutans was present in all groups, with significantly higher levels in fixed bracket users compared to clear aligner users and controls. The prevalence of Porphyromonas gingivalis was higher in fixed bracket users (100%) compared to clear aligner users (93.3%) and controls (90%). There were no significant differences in the levels of Porphyromonas gingivalis, Streptococcus sobrinus, or total bacterial load between the clear aligner and control group.

Statins may reduce risk of death by 39% for patients with life-threatening sepsis, large study finds

Metformin’s mysterious metal effect could explain its big health benefits
Users have significantly lower copper and iron levels and heightened zinc levels.   

Running rewires your brain cells—igniting memory-saving genes against alzheimer’s
Exercise changed activity both in microglia, a disease-associated population of brain cells, and in a specific type of neurovascular-associated astrocyte (NVA), newly discovered by the team, which are cells associated with blood vessels in the brain.
I think this might be increased movement of the cerebrospinal fluid cleaning the brain.  In that case, dancing would work and we don't have to leave the house...

Psilocybin induces acute and persisting alterations in immune status in healthy volunteers


Scientists find 214 ancient pathogens in prehistoric DNA
The findings show zoonotic diseases began spreading around 6,500 years ago, likely triggered by farming and animal domestication. 

Vaccines: Why they’re even more important than you think

Common heart drug taken by millions found useless, possibly risky
Beta blockers, used for decades after heart attacks, provide no benefit for patients with preserved heart function.

"This step is necessary to prove I'm not a bot," wrote the bot as it passed an anti-AI screening step.