Eating peanut butter in adolescence reduces a girl’s chance of acquiring benign breast disease (BBD).
New analysis of the health histories of 9,039 girls in the United States found those who regularly ate peanut butter or nuts (two times per week) between the ages of nine to 15 were 39% less likely to develop BBD by age 30.
Significantly, girls with a family history of breast cancer were much less likely to develop BBD if they consumed these foods or vegetable fat.
Read more at Washington University