Since the dawn of time, humans have worshipped the sun. And with good reason.Our biology is set up to work in partnership with the sun. From our sleep cycles to our immune systems and our mental health, access to sunlight is crucial for living a happy and fulfilling life. New research suggests that our sun exposure over a lifetime - even before we were born - may shape our risk of developing a range of different illnesses, from depression to diabetes. Chasing the Sun explores the extraordinary significance of sunlight. As more of us move into light-polluted cities, spending our days in dim offices and our evenings watching brightly lit screens, we are in danger of losing something vital: our connection to the star that gave us life. It's a loss that could have far-reaching consequences that we're only just beginning to grasp.“This is a sparkling and illuminating study, one of those rare books that could genuinely improve your life.” SUNDAY TIMES“Readable and frequently fascinating ... Geddes's lovely book will fill you with longing for bright summer days, blue skies and a baking hot sun dispensing vitamin D and happiness to all who bask in its glow. Roll on, summer!” TIMES“Dazzling ... Geddes is at her best when explaining complexities in accessible terms.” NEW SCIENTIST