More studies are needed to confirm these findings, especially as they apply to women with estrogen-sensitive breast cancer or those who take drugs such as tamoxifen to keep breast cancer at bay, say Ballard-Barbash and Neuhouser.

CNN: Soy may benefit breast cancer survivors, study says

As the region's countries became wealthier and more mature, they needed to devise and apply fresh approaches to emerging challenges.

CNN: A Year of Redefinition