*** Now a Sunday Times bestseller! ***Life can feel overwhelming, but it doesn’t have to be. You can make the change – starting with your own brain chemistry.'If you want to buy just one book this year to make your life better…Get this one. And live by it.’ – Chris Evans, as heard on The Chris Evans Breakfast Show, Virgin Radio***Today’s fast-paced world leaves many of us struggling with extreme emotional highs and lows caused by chemical imbalances in our brains, brought on by the pressures of modern life and constant digital connectivity.In The DOSE Effect, neuroscientist TJ Power shares how you can reset and balance your brain chemistry with simple, everyday habits to lead a happier, healthier, and more productive life.Unlock your brain’s four key chemicals and discover the powers of:DOPAMINE to get motivated and stay drivenOXYTOCIN to build deeper connections with othersSEROTONIN to boost your energy and moodENDORPHINS to destress and find calmTJ’s practical approach and straightforward solutions will guide you on an exciting, action-based journey to optimise your brain chemistry and transform your mental health so you can feel happier and healthier in your everyday life.If you're a growth-oriented, forward-looking reader of guides like Atomic Habits, The Subtle Art of Not Giving a F*uck and Why Has Nobody Told Me This Before?, this is the book you need to get your hands on next so you can start changing your life today.***Readers worldwide are raving:'This is the book all parents need in their lives.' – This Morning'This book will help you find more motivation, create deeper connections, energise your body and destress your mind.’ – Jay Shetty, author of Think Like a Monk‘The best book I’ve read on this subject.’ – Dr. Julie Smith, author of Why Has Nobody Told Me This Before?'Simple, smart, and genuinely life-changing – TJ knows how to get you feeling good again.’ – Jamie LaingTO BE SOLD IN 19 DIFFERENT LANGUAGES!The paperback edition of TJ Power's book The DOSE Effect was a Sunday Times bestseller w/c 11-01-2026.The paperback edition of TJ Power's book The DOSE Effect was a No. 1 Sunday Times bestseller w/c 16-03-2026.