The evidence for psychological theories of overweight was based on flawed studies, often without control groups.

Question

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Many early studies on psychological theories of overweight were flawed due to lack of control groups and other design flaws. However, more recent and rigorous studies have provided stronger evidence for the role of factors such as stress, emotion regulation, and self-control in overweight and obesity.

The Evidence for Psychological Theories of Overweight Was Based on Flawed