<p>If you think baby brain is bad for you, think again - because neuroscientist Dr Sarah McKay (author of <i>The Women''s Brain Book</i>) has looked at studies and talked to experts from all over the world and the proof is in: giving birth is one of the best things to ever happen to a woman''s brain.<br><br>Moreover, the positive effects of baby brain last well beyond the baby stage - even into old age, with elderly mothers'' brains showing resilience to ageing. Plus, the benefits of baby brain show up for non-birth parents - even fatherhood has a profound effect on the hormones and brains of men.<br><br>This fascinating book weaves together baby brain research and interviews with neuroscientists and women''s health specialists - many of whom are mothers - with personal experiences from parents concerning baby brain, nesting, maternal instinct, social support, anxiety and sleep. In each aspect the conclusion is clear: having a baby improves a mother''s memory, and makes her smarter and