MINNEAPOLIS (WCCO) — Practically all young children use bottles, sippy cups, or pacifiers, but in Health Watch, we’re finding out they may not all be as safe as parents would like.

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A new 20-year study shows more than 45,000 children under 3 years old went to the hospital for injuries caused by bottles, pacifiers and sippy cups. That’s about one child every four hours.

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Two-thirds of the injuries were children under one who were learning to walk and tripped with one of the products in their hands or mouth. The majority of injuries were caused by bottles.

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Doctors say parents shouldn’t let kids walk around while they’re drinking. They also suggest bottles with rubber tops instead of hard plastic ones.