The passage contains three sentence fragments.

Can video games be addictive? A recent study by Iowa State University concluded that 1 in 12 American children between the ages of 8 and 18 are addicted to video games. The same way that people are addicted to drugs or gambling. "Pathological gamers" spend more than 24 hours a week playing video games. Twice the amount of time spent by most players. Researchers are concerned that the United States may be following in the footsteps of South Korea. Which has more than one hundred clinics to treat video-game addiction. The American Academy of Pediatrics recommends no more than two hours a day of "screen time." This includes television, movies, and the Internet.

The passage does not contain any sentence fragments. All the sentences in the passage are complete sentences.

The passage contains three sentence fragments.

Fragment 1: Can video games be addictive?
Fragment 2: The same way that people are addicted to drugs or gambling.
Fragment 3: Twice the amount of time spent by most players.

To revise the passage and eliminate the sentence fragments, you can restructure the sentences:

1. Can video games be addictive? According to a recent study by Iowa State University, 1 in 12 American children between the ages of 8 and 18 are addicted to video games, similar to how people can be addicted to drugs or gambling.
2. These "pathological gamers" spend more than 24 hours a week playing video games, which is twice the amount of time spent by most players.
3. Researchers are concerned that the United States may be following in the footsteps of South Korea, which has more than one hundred clinics to treat video game addiction.
4. To address this issue, the American Academy of Pediatrics recommends no more than two hours a day of "screen time," which includes television, movies, and the Internet.