Obesity Raises Odds for Cancer’s Return In Breast Cancer Survivors

MONDAY, April 19, 2021 (HealthDay News) — Most people know obesity can lead to diabetes or heart disease, but excess weight can play a role in cancer, too, researchers say.

A new study found that breast cancer survivors who are overweight have a statistically significant increased risk of developing a second primary cancer – one not connected to their previous cancer.

The risk likely owes to shared risk factors between the two cancers – of which obesity is one – as well as genetic susceptibility and long-term effects of breast cancer treatment, the study authors said.

“The risk is comparable to what we would see for an initial breast cancer,” said Heather Spencer Feigelson, senior investigator at the Kaiser Permanente Colorado Institute for Health Research, in Aurora. “It’s just another piece of evidence showing us how [excess weight] is really important.” (Read more…)