Congenital heart defects are the most common type of birth defect. Doctors often do not know why it occurs, though genetics sometimes play a role.

Unless money is no object for you, the clock is ticking on booking cheap flights to the Caribbean this winter. Book now for the best fares to paradise.

Experience Guangzhou with our guide to the best hotels near the city center. Discover luxury, comfort, and convenience in the heart of Guangzhou.