The 2020 study published in the IJC suggests that breast cancer survivors who go on to lose more than 10% of their pre-diagnosis body weight are at higher risk of dying – from all causes. On the other hand, the same was found also for survivors who gained more than 10%. Accordingly, the study authors conclude that breast cancer “survivors should be recommended to avoid large deviations in body weight from diagnosis onwards in order to maintain health and prolong life.”
In a similar fashion, the aforementioned study that was “presented at the annual American Association for Cancer Research Annual Meeting” suggests that weight loss of greater than 10% increases the risk of being diagnosed with esophageal, pancreatic, lung, liver, and colorectal cancers as well as myeloma and non-Hodgkin lymphoma. The data were pulled from two other studies that follow the health of a large number of both men and women in the medical profession over the decades. For these purposes, the subjects were followed from 1987 (or 1988, depending on the time of enrollment) through 2012. None were cancer survivors prior to their enrollment. In the majority of cases, weight loss fell within a two-year window before they were diagnosed with cancer.
If there’s ever been an argument for tucking into that decadent dessert you’ve been craving … we didn’t find it in these sources. But that’s not an argument against doing it.