Un estudio cuestiona el supuesto beneficio del sobrepeso en la supervivencia del cáncer colorrectal

A study published in JAMA Network Open challenges the long-standing observation that overweight or obese patients diagnosed with colorectal cancer experience a survival advantage. Researchers concluded that this apparent benefit should not be interpreted as a protective effect of excess weight, suggesting that previous findings may have been influenced by confounding factors or biases in clinical data.