Do you have a favorite child? A new study may have the answer

The refrain of parents is “I love all my children equally.” But not all kids get treated equally. Experts explain the impact of preferential treatment in a family.

​ The refrain of parents is “I love all my children equally.” But not all kids get treated equally. Experts explain the impact of preferential treatment in a family. Read More Breaking News, Latest News and Videos | CNN