Menopause exists so grandma can care for children - The Times 19th September 2007

The menopause exists to ensure that women have free time to help to look after their young grandchildren, new research has suggested. A study of two African villages stretching back to 1950 has found that children have a distinct survival advantage if they have a maternal grandmother with no infants of her own to help their mother to look after them.

Link to Article