Here are a few interesting stories from around the Web this week:

Murder-Cycles Simply Not Child's Play (Fanhouse): Takes a critical look at whether children should be allowed to compete in motorcycle racing, in the wake of a 13-year-old boy's death

U.S. Pediatricians Decry Media's Portrayal of Sex (HealthDay): Explains new policy statement from the American Academy of Pediatrics on the danger of messages kids are getting about sex from the media

7 things parents can do to help kids succeed this school year (The Daily Reflector): Good advice here: make family meals a priority, set limits on technology, be involved in your child's schooling — but not too involved

Can Preschoolers Be Depressed? (New York Times Magazine): Examines the latest research into childhood depression, which a number of psychiatrists now say can be diagnosed in kids as young as 2 or 3

Clear kids with concussions before sports: report (Reuters): A new report in Pediatrics says kids need time to recover mentally and physically from a concussion before returning to activities

Jen Eyer oversees the Parenting section on AnnArbor.com. Email her at jeneyer@annarbor.com.