Why do our teeth hurt when it’s cold? Apparently, a gene called TRCP5 is the culprit; it opens up odontoblasts — cells that form a protective layer beneath the enamel — and triggers nerves to fire off the sensation of pain. Researchers found this out by observing two groups of mice with dental injuries; the mice whose genes were edited to remove TRCP5 didn’t display behaviors associated with dental pain. Read full article here
Societal Issues
To curb drug deaths, communities turn to Reddit, texts and wastewater
With drug overdose deaths on the rise, authorities are attempting to curb the epidemic by tracking and sharing information in real time. In one unique effort, a nonprofit in New York City is using drug-testing equipment and stamping or marking habits of dealers to identify drug batches that may endanger users. Other approaches are also being used, such as monitoring drug-related chatter on Reddit and analyzing local wastewater for opioid and other drug levels. With the combination of these efforts, researchers hope to put a dent in the opioid crisis and reduce overdose deaths. Read full article here
Merv
June 1, 2023
