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By Lindsey Tanner The Associated Press

Brain disease seen in most football players in large report

CHICAGO — Research on 202 former football players found evidence of a brain disease linked to repeated head blows in nearly all of them, from athletes in the CFL, NFL, college and even high school.

It’s the largest update on chronic traumatic encephalopathy, or CTE, a debilitating brain disease that can cause a range of symptoms including memory loss.

Drones carrying defibrillators could aid heart emergencies

CHICAGO — It sounds futuristic: drones carrying heart defibrillators swooping in to help bystanders revive people stricken by cardiac arrest.

Researchers tested the idea and found drones arrived at the scene of 18 cardiac arrests within about 5 minutes of launch. That was almost 17 minutes faster on average than ambulances a big deal for a condition where minutes mean life or death.

Pediatricians warn against pot use: Not your dad’s marijuana

CHICAGO — An influential doctors group is beefing up warnings about marijuana’s potential harms for teens amid increasingly lax laws and attitudes on pot use.

Many parents use the drug and think it’s OK for their kids, but “we would rather not mess around with the developing brain,” said Dr. Seth Ammerman.

1 in 4 US men have cancer-linked HPV genital infections

CHICAGO — The first national estimate suggests that nearly half of U.S. men have genital infections caused by a sexually transmitted virus and that 1 in 4 has strains linked with several cancers.

Most human papillomavirus infections cause no symptoms and most disappear without treatment. And most adults will get an HPV infection at some point in their lives.