Low-carb Diets Can Damage Dieters' Cognition Skills

http://www.sciencedaily.com/releases/2008/12/081211112014.htm

ScienceDaily (Dec. 15, 2008) — A new study from the psychology department at Tufts University shows that when dieters eliminate carbohydrates from their meals, they performed more poorly on memory-based tasks than when they reduce calories, but maintain carbohydrates. When carbohydrates were reintroduced, cognition skills returned to normal.