Dr. Lisa Newman travels 16 hours from Michigan to Ghana in search of cancer clues . (CNN) -- Newman : Women most affected are younger , pre-menopausal with African ancestry . She believes there 's a link between Ghanaian , African-American women with TNBC .
Dr. Lisa Newman travels 16 hours from Michigan to Ghana in search of cancer clues . She collaborates with doctors to find origins of triple negative breast cancer . Newman : Women most affected are younger , pre-menopausal with African ancestry . She believes there 's a link between Ghanaian , African-American women with TNBC .