New parents receive abundance of often-conflicting advice from doctors, family, friends, and the internet. How do you make your own best decision? Oster debunks myths around breastfeeding, sleep training, potty training, language acquisition, and many other topics. She shows parents how to think through freighted questions like if and how to go back to work, how to think about toddler discipline, and how to have a relationship and parent at the same...