alexa Environmental effects on the intake of overweight and normal-weight men.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Obesity & Weight Loss Therapy

Author(s): Edelman B, Engell D, Bronstein P, Hirsch E

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Abstract The effects of changes in portion size and social condition on food intake were compared for overweight and normal-weight men. Subjects believed they were participating in a luncheon test of the acceptability of lasagna. In Study 1, under conditions designed to mimic social dining in a cafeteria, subjects were given either 255 or 426 g of lasagna. All subjects at a particular session received the same size portion and could ask for as many helpings as they wished. While overweight subjects ate more than normal-weight subjects, changes in portion size had no significant effects on intake. In Study 2, the effects of social vs. isolated dining were compared. Overweight subjects ate more than normal-weight subjects, and both overweight and normal-weight subjects eating socially ate more than subjects eating alone. In both studies there was a significant relationship between preference rating and intake for overweight subjects but not for normal-weight subjects. The results support the existence of differences in intake between overweight and normal-weight individuals and also indicate the potential importance of environmental factors in the intake of both groups.
This article was published in Appetite and referenced in Journal of Obesity & Weight Loss Therapy

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