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New Study: Youth Football Changes Nerve Fibers in Brain

MRI scans show that repetitive blows to the head result in brain changes among youth football players, according to a new study. Football has been the subject of much scrutiny in recent years due to growing concerns over the long-term consequences of repetitive head impacts. Players who show signs of concussion are typically removed from games, but many hits to the head are subconcussive and, therefore, don't cause any immediate symptoms. There is rising concern that youth football players who experience these collisions in practices and games may be vulnerable to their effects.

Opioid Epidemic Looming in Mexico, US May be Partly Responsible

Though opioid use in Mexico has been low, national and international factors are converging and a threat of increased drug and addiction rates exists. Many of these factors may have originated in the US, making this a potential joint US-Mexico epidemic. The authors of this analytic essay came to this conclusion based on a study of published academic literature, Mexican federal documents and guidelines, and news reports pertaining to opioid use in Mexico. The article will be published in the American Journal of Public Health.