Dr Sabina Brennan

Dr Sabina Brennan is a neuroscientist and chartered health psychologist passionate about translating complex neuroscience into easy-to-understand information and practical tips and strategies to build resiliencee and boost brain health.

Author of three Irish Times best-sellers, her fourth book, Still Me (July 2025), is an essential self-care toolkit for navigating dementia and supporting your relative to live well despite their devastating diagnosis. 'A beautifully written, personal, empathetic and immensely practical book' - Dr Harry Barry

Her first book,100 Days to a Younger Brain (2019), an Irish Times No.1 best-seller has been described as a 'couch to10k for your brain'.

Her second book, Beating Brain Fog (2021), also topped the Irish Times non-fiction charts. 'A real game-changer' - Dermot Whelan. 'A Brilliant New Book' - Good Housekeeping.

The Neuroscience of Manifesting (2024) - 'Brennan thoughtfully separates the 'woo' from the work, providing the reader with evidence-based knowledge about how changing your thoughts can change your behaviour.' - New Scientist

Dr Brennan's books motivate, inspire and give you the key to unlock your brain’s potential – so you can realise your own.

Brennan lives in Ireland with her husband and three dogs, Dizzy, Dolly and Honey B.