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Low Carb Diets Won't Make You Happy

Posted Nov 10 2009 10:00pm
A study in this week's Archives in Internal Medicine (Nov 9, 2009, Vol 169, No 20) looked at the effect on mood and cognition of a low-fat versus a low-carb diet.  Patients on both diets lost the same amount of weight, 14 kilograms.  However, those on the low-fat diet had greater improvements in mood compared to those following a low-carb high-fat diet.

Interestingly, the "low fat" group got 30% of its calories from fat.  I'd call that more of a moderate fat diet, but clearly that diet has less protein and fat than the "low carb" diet.

Why the difference in mood?  Serotonin may be suppressed by a low carbohydrate diet, while it may be upregulated by a lower fat diet.

Thee bottom line:  It doesn't matter what you eat to lose weight.  But, what you do eat in your weight loss obviously has an impact on how you feel.
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