People who gain fat specifically around the abdomen after being previously lean have a slightly higher chance of developing colorectal cancer at a younger age than those who never gained excess weight.

People who consistently have excess body weight and excess fat around the abdomen have a 19% higher chance of developing colorectal cancer before age 50 compared to people who maintain a normal weight and no abdominal fat accumulation.

People who had a high body mass index (BMI) 8 to 12 years before being diagnosed with colorectal cancer were more than twice as likely to develop the disease compared to those with a normal BMI, suggesting that carrying excess weight over a long period increases risk, even if weight drops shortly before diagnosis.

Adults who maintain a large waist size over a two-year period have an 18% higher risk of developing colorectal cancer before age 50 compared to those who do not have persistent abdominal obesity.

People who have been overweight or obese for many years have a higher risk of developing colorectal cancer than those whose weight changed recently, with the highest risk linked to weight measured 8 to 12 years before diagnosis.

People with obesity have a higher chance of developing colorectal cancer compared to those without obesity, with men showing a greater increase in risk than women.