Short sauna session may immediately boost immune system

A short sauna session of half an hour may, according to a source, immediately promote optimal functioning of the immune system. How exactly this works is not clear.
The source does not provide further details about the research or the experts involved. It is unclear whether there is scientific evidence to support this claim.
Sauna sessions are often associated with relaxation and health benefits. This news report, however, suggests a direct influence on the immune system, which would require further research.
This report is a summary based on the mentioned source and is not medical advice. Consult a doctor or pharmacist in case of complaints.