What is seasonal affective disorder (SAD)?

Light exposure is said to help improve low mood during darker months

Person walks over Millennium Bridge in London during winter fog
(Image credit: Vuk Valcic/SOPA Images/LightRocket via Getty Images)

Many people bemoan the shorter days, fewer hours of sunlight and colder temperatures of the winter months, and some turn to technological aids to lift their moods.

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Julia O'Driscoll is the engagement editor. She covers UK and world news, as well as writing lifestyle and travel features. She regularly appears on “The Week Unwrapped” podcast, and hosted The Week's short-form documentary podcast, “The Overview”. Julia was previously the content and social media editor at sustainability consultancy Eco-Age, where she interviewed prominent voices in sustainable fashion and climate movements. She has a master's in liberal arts from Bristol University, and spent a year studying at Charles University in Prague.