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Independent evidence reviews · Free · No referral fees

Terms

Terms of use

Effective November 8, 2026.

Educational use

SaunaLMN summarizes published research and public tax guidance for general education. It is not medical, tax or legal advice. Using the site does not create a doctor-patient, advisory or other professional relationship.

No eligibility decisions

We do not determine whether any expense qualifies for an HSA, FSA, HRA or tax deduction. A licensed medical practitioner, such as a physician, nurse practitioner or physician assistant, decides whether a treatment is medically necessary for a patient. A plan administrator decides whether to reimburse a claim. For an HSA, you are responsible for showing that a withdrawal was for a qualified medical expense.

Letter drafts

Letter drafts on this site are optional templates. A clinician may use, change or discard them. A letter is valid only if the clinician independently agrees with it and signs it. Do not alter a signed letter or present a draft as a clinician's opinion.

Health and safety

Sauna and cold-water immersion carry real risks for some people. Talk to your doctor before starting, and read our safety page.

Accuracy

We work to keep every summary accurate and current, and we show the date each page was reviewed. Research and rules change, and errors can happen. The site is provided as is, without warranties of any kind, and to the fullest extent permitted by law we are not liable for decisions made using it.

Links

Links to PubMed, journals and government sites are for reference. We do not control those sites.

Contact

hello@saunalmn.com