SACRAMENTO, Calif. —

As children head back to classrooms, many families are looking to rein in summer’s relaxed screen-time rules.

Whether it’s video games, TV, the internet or even educational apps, too much time on devices can affect children’s physical and mental health.

Excessive screen time has been linked to increased anxiety and decreased physical fitness.

Dr. Ken Hempstead, a pediatrician with Kaiser Permanente in Roseville, encourages parents to set clear, age-appropriate limits and model balanced habits at home. He joined KCRA 3 on Friday morning to talk about screen time.

The American Academy of Pediatrics offers these guidelines:

Under 18 months: Avoid screens except for video chats with family and friends. Stay present and engaged during the call.

18 to 24 months: It’s

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