Losing weight through exercise alone is theoretically possible, but practically difficult, as the body often compensates through an increase in food intake and metabolic adjustments that hinder weight loss.

noli's read

Stuart Phillips' observation aligns with a robust scientific consensus: while exercise is essential for metabolic health and body composition, it is often insufficient on its own to induce significant weight loss. Research (RCT-type studies and reviews) confirms that the human body possesses complex compensatory mechanisms. On one hand, a behavioral response called "energy compensation" can lead to eating more after exercise, sometimes due to a sense of reward or a need to "refuel." On the other hand, metabolic adaptations can occur, where the body becomes more efficient at conserving energy, thereby limiting the expected caloric deficit. It is also well-documented that exercise helps preserve muscle mass during a phase of caloric restriction, a point highlighted by the work of Dr. Phillips. In summary, the idea that exercise "cancels out" the effects of an inadequate diet is widely contradicted by observational and clinical evidence.

the sources

1. 1Hall KD, Heymsfield SB, Kemnitz JW, et al. 2012
2. 2Rolls BJ 2009