The increasing popularity of winter swimming has piqued interest in its health benefits, particularly regarding its impact on the immune system. Readers are curious about whether this cold exposure can effectively boost health and ward off viral illnesses. Dr. Liis Puis highlights that while there is growing discourse about the positive effects of winter swimming on well-being, there remains uncertainty on its implications for the immune system, especially regarding regular practice and its ability to prevent viral diseases.

Dr. Puis emphasizes the common misconception that winter swimming can 'strengthen' the immune system. She clarifies that the term 'strengthening' may imply an excessive immune response, which could ironically lead to autoimmune conditions where the body attacks itself. Thus, she advocates for a more medically accurate term: 'supporting' the immune system. This reframing helps to address the balance necessary for health, reinforcing the importance of moderation rather than overstimulation of the immune system.

In conclusion, while winter swimming may offer benefits for overall well-being, it is crucial to approach the topic with a nuanced understanding of how such practices influence the immune system. Ongoing research and discussions are necessary to fully ascertain the short and long-term effects of this cold exposure on health, emphasizing that support, rather than strengthening, is the key to a robust immune response.