Sarah McKay: changes in the female brain

Oxford University-educated neuroscientist and "brain health commentator" Sarah McKay talks to Lynn Freeman about The Women's Brain Book - the neuroscience of health, hormones and happiness, intended to help understand how the female brain changes as women get older. Director of The Neuroscience Academy, and TEDx speaker, Sarah McKay says the brain is like a muscle which can be exercised and made sharper.Sarah has won numerous awards for her blog, in particular for supporting wellness and mental health.