Dr. Sarah McKay, expert on women's hormones and neuroscience, discusses the role of estrogen and menstrual cycles in women's moods, the phenomena of 'baby brain' during motherhood, and the symptoms of menopause. She emphasizes the need for more information and awareness about female hormones, particularly for women facing motherhood and menopause, and for men hoping to provide support.

Neuroscientist Dr. Sarah McKay discusses the remarkable ways parenthood reshapes our brains. She explores 'baby brain' and its effects on cognitive function, changes in fathers' brains during parenting, importance of social support, hyper vigilance in parenting, and her book 'Baby Brain' that delves into the neuroscience of pregnancy and motherhood.