Why does seasonal depression happen and how can you manage it?

Sign up for our free Health Check email to receive exclusive analysis on the week in health Get our free Health Check email Get our free Health Check email SIGN UP I would like to be emailed about offers, events and updates from The Independent. Symptoms of SAD can vary from mild to severe, but typically include: Low mood Loss of interest or pleasure in things you previously enjoyed Change in appetite Change in sleep Feeling worthless Recommended 5 common misconceptions about Seasonal Affective Disorder Researchers aren’t yet clear on what causes SAD, but it’s likely to be complex and multifaceted. The participants who went for a daily walk showed significant improvements in all depressive symptoms, compared to those exposed to artificial light A key part of CBT is supporting patients in a technique called behavioural activation, which aims to improve mood by encouraging people to structure their day and engage in meaningful, pleasurable activities – a hobby, for example. While it’s uncertain exactly why daylight may improve symptoms, this may still be an easy and effective thing that people can do to improve their mood each day. While there are many things people can do to manage symptoms of SAD throughout the winter months, it’s important to consult your GP about symptoms and feelings – especially if symptoms don’t improve, or if the condition becomes difficult to manage.