Overview
- The 'Blue Monday' label stems from a 2005 formula by Cliff Arnall created for Sky Travel marketing and is widely dismissed as pseudoscience, with Arnall later distancing himself.
- Latest coverage reiterates that many people do feel a seasonal slump in January linked to short days, disrupted sleep-wake rhythms, and biological changes affecting mood.
- Recommended steps include seeking natural light, considering light therapy, exercising outdoors, maintaining social contact, supplementing vitamin D when appropriate, and setting realistic goals.
- Psychologists caution that packaging a single 'saddest day' risks trivializing clinical depression, and German outlets list support options such as Deutsche Depressionshilfe and Telefonseelsorge.
- Some reporting highlights a developing angle on gut health, with an expert noting that winter diets and inactivity may disrupt the microbiome and potentially influence serotonin, prompting advice to favor fiber-rich foods, fermented products, and cautious probiotic use.