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Poids et gestion du poids

Bounce Back Effect

Rapid weight regain after restrictive diet, often exceeding initial weight loss.

Definition

Rapid weight regain post-calorie restriction period, often accompanied by weight gain exceeding the initial weight.

How it works

During severe calorie restriction, the body activates defense mechanisms to preserve energy. Basal metabolism slows down, appetite increases via hormones like ghrelin. Once the diet is stopped, these mechanisms persist temporarily, promoting rapid calorie storage.

Role

Metabolic compensation mechanism preventing malnutrition but potentially leading to weight overcompensation.

Examples

  • Loss of 8 kg in 2 months followed by a 10 kg regain in 1 month.

Recommendations

Gradually exit from a diet by reintroducing calories gradually. Maintain regular physical activity to support metabolism. Establish balanced and sustainable eating habits from the start.

Key takeaway

The bounce back effect is a predictable biological response to extreme restriction; only a gradual approach can ensure weight maintenance.

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