The PEAK Journal: Sauna, recovery & everyday wellness

The PEAK journal

Ideas, research and practical guidance for a ritual that lasts.

June 16, 2026

Infrared Sauna for Cyclists: Heat Adaptation, Recovery, and Performance Gains

How cyclists are using infrared sauna for heat adaptation, faster recovery, improved VO2max, and plasma volume expansion. The science and practical protocols.

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June 15, 2026

Can You Deduct an Infrared Sauna on Your Taxes? A Practical Guide

Is an infrared sauna tax deductible? HSA/FSA eligibility, medical expense deductions, home office rules — here's the complete breakdown from a CPA perspective.

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June 14, 2026

Infrared Sauna for Diabetics: Blood Sugar, Insulin Sensitivity, and Safety

Can people with type 2 diabetes safely use infrared sauna? Clinical research on blood glucose, insulin sensitivity, and cardiovascular risk reduction — with practical...

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June 13, 2026

Infrared Sauna and Your Gut Microbiome: The Surprising Connection

Can infrared sauna improve your gut health? Emerging research on heat stress, the gut-brain axis, and microbiome diversity reveals a surprising connection.

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June 12, 2026

Infrared Sauna and Brain Health: What the Alzheimer's and Dementia Research Shows

New research links regular sauna use to reduced risk of Alzheimer's and dementia. Here's what the Finnish studies found and how infrared sauna supports...

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June 10, 2026

Infrared Sauna Indoor Air Quality: What's Actually in the Air You're Breathing?

Concerned about air quality in your home infrared sauna? Here's what actually off-gasses, what doesn't, and how to choose a sauna that keeps your...

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June 9, 2026

Infrared Sauna and Pregnancy: Safety, Risks, and What to Do Instead

Pregnant and wondering if infrared sauna is safe? Here's what OBGYNs and research say — plus the trimester-by-trimester breakdown and safer alternatives.

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June 8, 2026

Infrared Sauna and Cancer Support: What the Research Actually Says

Can infrared sauna use support cancer patients and survivors? We examine the peer-reviewed evidence on heat therapy, immune function, and quality of life —...

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