The concept of Blue Monday, deemed the saddest day of the year, lacks scientific backing and was created by psychologist Cliff Arnall in 2005 to promote winter holidays. While Blue Monday itself may not be real, many experience 'winter blues' during the colder months, often linked to Seasonal Affective Disorder (SAD). Experts suggest small actions like exercise, sunlight exposure, and social connections can help combat these feelings. Teljes cikk (Euronews.com)