As the nights draw in, many of us can experience low mood. But for a small proportion of people a more intense depression develops through the winter months. It’s a phenomenon that since the 1980s has been labelled seasonal affective disorder, or Sad, and can be debilitating for sufferers.

Source: [Guardian Science](https://www.theguardian.com/science/audio/2026/nov/10/why-we-get-sad-and-what-helps-podcast)

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