Marijuana’s effects on young brains diminish 72 hours after use, research says

Marijuana is notorious for slowing certain cognitive functions such as learning, memory and attention span (maybe that’s why they call it “dope”?). But new research in young people suggests that these cognitive effects, while significant, may not persist for very long, even among chronic users.

Gene therapy for blood disorder offers ‘hope’ in new study

An experimental gene therapy for blood disorders was shown to be safe and effective in helping beta thalassemia patients avoid blood transfusions in a new study. However, more research is needed, and if approved for use, it could come with high costs.

One concussion could increase risk of Parkinson’s disease, study says

A diagnosis of traumatic brain injury — whether mild, moderate or severe — is associated with an increased risk of developing Parkinson’s disease as well as a two years younger age at diagnosis, new research in veterans says.