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Low Blood Sugar Doesn't Affect Teens' Cognitive Functions

Type 1 diabetic teens who keep a tight reign on their blood-sugar level tend to have more incidents of hypoglycemia leading to confusion, seizures and even coma. Researchers wondered if this condition would damage their young developing brains.

Dr. Gail Musen at Harvard Medical School in Boston and the research team checked the cognitive results for 175 patients between ages 13 and 19. The subjects were through a comprehensive battery of test when aged 29 to 41.

"Neither original treatment assignment nor cumulative number of hypoglycemic events influenced performance in any cognitive domain," the researchers report in the medical journal Diabetes Care.

However, high glucose levels as indicated by high A1C levels were associated with declines in mental ability.

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