September 10, 2005

Losing Weight Reduces Breast Cancer Risk

The findings suggest that weight loss in early adult life (and not weight per se) decreases the risk of BRCA-associated breast cancer diagnosed at an early age. The period between the age of 18 to 30 years appears to be a critical when weight gain should be avoided in mutation carriers.

Losing weight in young adult life can reduce the risk of early-onset breast cancers associated with BRCA1/2 mutations.

Researchers from the University of Toronto, Ontario, Canada found that breast cancer prevention starts early in life. Probably this is a critical period for the hormones involved to be interacting with the breast tissue.

The researchers investigated whether changes in body weight were associated with the risk of breast cancer in 1,073 women who carried BRCA1 or BRCA2 mutations.

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