A high school football game in Kapaa, Hawaii on the island of Kauai.
Marco Garcia/AP Photo
After decades of continuous growth, participation rates have started to decline. What does it mean for the future of the sport?
Defender Matt Besler sits on the field after losing to Trinidad and Tobago in a 2018 World Cup qualifying match.
Rebecca Blackwell/AP Photo
In a system that's far better at identifying the best payers than finding the best players, the pipeline of talent gets choked out by costly tournament and team fees.
Youngsters leave a football field in 2015 after playing at halftime at a game between the Buffalo Bills and the Carolina Panthers.
AP Photo/Bill Wippert
A recent study that showed that 110 of 111 brains of deceased NFL players had a serious brain disease raised concerns once again about concussions. But there's a lot we still need to know.
Michelle Vansickle, center, of Flowery Branch, Ga., during a youth football safety clinic March 18, 2014, in Alpharetta, Ga.
AP Photo/Jason Getz
A study of the brains of 111 NFL players after their deaths showed that 110 had degenerative brain disease. Here are some expert analyses of what can be done to stop brain injury from sports.
Members of the grounds crew spray the field before the Opening Day game between the Washington Nationals and the Miami Marlins.
AP Photo/Alex Brandon
The national pastime is more than just a sport. In this roundup, we feature stories about baseball's relationship to race, politics, the media and health.
Soccer player on artificial turf.
Artificial turf has become popular for kids' sports as well as for professional players. The little black crumbs that help support the blades of fake grass may not be so harmless.
A mother from suburban Atlanta attending an educational session about concussions with Falcons fullback Patrick DiMarco in 2014.
The Super Bowl is a good time to party and celebrate, but it's also a good time to reflect on where we stand culturally with concussions.
Helmets like this that absorb impact are used in the NFL, but not in high school.
As many as half a million concussions in youth go unreported each year. Finding a way to measure whether a hit has occurred on the field is an important way to address these injuries.
See the world from another angle.
Why children shouldn't specialise in one sport too early.
Taekwondo champ Jade Jones celebrates a gold medal with her mother.
Child sport success relies on having a positive parental influence.
The Cannon Street All-Stars watch from the stands at the 1955 Little League World Series in Williamsport, Pennsylvania.
1955 Cannon Street All-Stars/Facebook
Charleston's Cannon Street YMCA All-Stars thought they'd have a chance to compete for a spot in the coveted Little League World Series. But South Carolina's Little League director had other ideas.
Integrity in sport should start from the bottom up.
Efforts to wipe out doping, match fixing, corruption and other threats to sport integrity need to start at the local level.
Skateboarding is an increasingly popular activity.
A man skateboards in Moscow. Maxim Shemetov
Skateboarders are being driven from Melbourne's Lincoln Square after community complaints. But skaters are citizens too, and with obesity on the rise, their activities should be encouraged.
Pitching injuries are on the rise.
Good pitching technique is often debated, but there may be subtle 'tells' in a pitcher's motion that indicate increased stress on the joints.
Does training relentlessly and regularly lead to greatness?
"Nine" via www.shutterstock.com
Parents want to simultaneously support and push their kids. But when it comes to sports, this mentality can backfire in subtle ways.
Even for middle-class families, the growing costs of youth sports can be a huge burden.
'Baseball' via www.shutterstock.com
In a $5 billion industry, there's no longer a level playing field.
At the youth level, the long-term effects of football hits aren’t known.
Brian J. McDermott/flickr
When pro football players like Chris Borland quit, it should send a strong message to parents. But there are a host of issues, besides health, to consider.
Mo'ne Davis riveted the nation last summer with her dominating performance in the Little League World Series.
USA Today Sports/Reuters
The intense spotlight on one female baseball star might lead some to believe that she's the first and only one. She's not.
Whether kids play pickup sports or organized sports may have varying effects on their development.
Youth sports are viewed as a rite of passage in a child’s development. If the clichés that permeate sports broadcasts and locker room speeches are to be believed, sports participation teaches children…