In mice, obese dads produce heavier daughters with epigenetically altered breast tissue

Obese male mice and normal weight female mice produce female pups that are overweight at birth and in childhood, and have increased number of 'terminal end buds' in their breast tissue -- the site where breast cancer often develops in rodents. 'Researchers traditionally study the maternal link to weight and cancer risk. This unusual study demonstrates a potential paternal link as well,' says the study author.

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