The team had apparently worked it out with a complex formula developed by UK-based psychologist Cliff Arnall to determine people’s lowest point. “I guess a lot of people recognize it in themselves.”Arnall has also claimed to campaign against his own idea of Blue Monday as part of the “activist group” Stop Blue Monday. It’s a form of depression that people experience usually during the fall and winter months when there is less sunlight. For 5% of adults who experience SAD, for about 40% of the year they have symptoms that can be overwhelming and can interfere with their daily lives. The condition has been linked to a biochemical imbalance in the brain prompted by shorter daylight hours and less sunlight in winter.

Source: CNN January 16, 2023 16:05 UTC