The winter months can be a real struggle for people with 'winter depression' - otherwise known as seasonal affective disorder (SAD). While the lack of sunlight can get all of us down from time to time, those with SAD have symptoms of depression in a recurrent seasonal pattern.
This is a companion discussion topic for the original article at https://patient.info/features/mental-health/how-to-combat-winter-depression-and-boost-your-serotonin