The PEAK journal

3 Person Light Sauna: What It Is and How to Choose the Right One

Shopping for a 3 person light sauna? Here's what 'light sauna' actually means, the difference between red light and chromotherapy, and what to look...

Infrared Sauna and Gut Health: What Emerging Research Suggests

Can heat therapy improve gut health? We look at what the research says about inflammation, microbiome, and digestive health.

Can Children Use Infrared Saunas? Age Guidelines and Safety

Parents ask about kids and infrared saunas. Here's what pediatric guidance says and age-appropriate protocols.

Infrared Sauna Safety: Complete Guide to Safe Sessions

Everything you need to know about infrared sauna safety — who should avoid them, hydration, medications, and session guidelines.

Infrared Sauna and Testosterone: What the Research Actually Shows

Does infrared sauna boost testosterone? We review the evidence on growth hormone, testosterone, and hormonal health.

Infrared Sauna Benefits for Beginners: What to Expect in Your First 30 Days

New to infrared saunas? Here's exactly what to expect week by week as your body adapts — and how to maximize early results.

PEAK Review 2026: Honest Assessment After Real Use

An honest review of Peak Saunas infrared saunas — construction quality, heat performance, red light integration, warranty, and value.

How to Install an Infrared Sauna at Home: Complete 2026 Guide

Step-by-step guide to installing an infrared sauna in your home — electrical requirements, placement, flooring, and what to avoid.

Infrared Sauna and Heart Health: What 20 Years of Research Shows

The strongest evidence for infrared sauna benefits is cardiovascular. We review the landmark studies and what they mean for you.

Infrared Sauna vs Cold Plunge: Which Is Better? (Or Should You Do Both?)

The sauna vs cold plunge debate explained — benefits of each, contrast therapy protocol, and how to combine both.

Best Outdoor Infrared Sauna (2026 Guide)

Best 3-Person Infrared Sauna (2026 Guide)