Researchers have found signs of ongoing inflammation in the brains of athletes still experiencing concussion symptoms months or years after their injury, according to a new study published in Journal of Neuroinflammation. The findings suggest the concussion triggered chronic neuroinflammation that may be contributing to their persistent symptoms. Key Facts: The study examined athletes who …
Cannabis legalization is spreading, but what does it mean for public health? A new review summarizes the research on the impacts of legalizing recreational cannabis use. Key Facts: Recreational cannabis is now legal nationally in Canada, Uruguay, and Malta. 18 U.S. states plus D.C. have also legalized recreational use. Research finds mixed evidence for effects …
Summary: A new study published in Environmental Health Perspectives found that people who exclusively use marijuana have higher levels of toxic metals like cadmium and lead in their blood and urine compared to people who do not use marijuana or tobacco. Key Facts: Exclusive marijuana users had 22% higher blood cadmium levels and 27% higher …
A study finds that antidepressant treatment reduces empathy – but depression itself doesn’t impact empathy. Key Facts: People with untreated depression showed normal empathy and brain responses. After 3 months of antidepressant treatment, they showed reduced empathy and brain responses. The more their depressive symptoms improved, the more their empathy decreased. Antidepressants specifically reduced emotional …
