Prevention of cancer.
D001942:Breast Feeding; D001943:Breast Neoplasms / Q000517:prevention & control; D002944:Circumcision, Male; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000517:prevention & control; D008297:Male; D009369:Neoplasms / Q000517:prevention & control*; D012907:Smoking; D014565:Urogenital Neoplasms / Q000517:prevention & control