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#048 Sauna Use as an Exercise Mimetic for Heart and Healthspan

Sep 16, 2019 46m 38s 16 insights
<p>This podcast is the audio from a presentation Dr. Rhonda Patrick gave on how the sauna may be an exercise mimetic for heat health and healthspan. Sauna use has emerged as a means to increase lifespan and improve overall health, based on compelling data from observational, interventional, and mechanistic studies. Listen in to find out more.</p> <p><strong>In this episode, you'll discover:</strong></p> <ul> <li><strong>(00:00)</strong> Introduction</li> <li><strong>(03:01)</strong>  Clinical research shows that sauna improves cardiovascular health</li> <li><strong>(09:19)</strong> Finnish sauna vs Waon infrared therapy</li> <li><strong>(12:35)</strong> The mechanisms of sauna use mimic exercise</li> <li><strong>(15:58)</strong> Heat shock proteins mediate the benefits of sauna use</li> <li><strong>(23:42)</strong> Sauna use reduces inflammation</li> <li><strong>(25:54)</strong> Sauna use is enjoyable and safe</li> <li><strong>(28:55)</strong> Crowd questions and answers </li> </ul> <p><span style="font-weight: 400;">If you're interested in learning more, you can read the <a href="https://www.foundmyfitness.com/episodes/sauna-heart-presentation">full show notes here</a>.</span></p> <p><span style="font-weight: 400;">Join over 300,000 people and get the latest distilled information straight to your inbox weekly:</span> <span style="font-weight: 400;"><a href="https://www.foundmyfitness.com/newsletter">https://www.foundmyfitness.com/newsletter</a></span></p> <p><span style="font-weight: 400;">Become a FoundMyFitness premium member to get access to exclusive episodes, emails, live Q+A's with Rhonda and more:</span> <a href="https://www.foundmyfitness.com/crowdsponsor"><span style="font-weight: 400;">https://www.foundmyfitness.com/crowdsponsor</span></a></p>
Actionable Insights

1. Consult Doctor for Heart Issues

If you are suffering from a heart-related condition, consult your physician to determine if sauna use is appropriate for you, as due caution is important.

2. Optimize Finnish Sauna Frequency

For robust cardiovascular benefits and reduced mortality risk, use a Finnish sauna (around 174°F with steam) for at least 20 minutes, 4-7 times a week. Significant benefits are also observed with 2-3 sessions per week.

3. Consistent Sauna Use for Health

Aim to sit in a hot sauna for about 20 minutes, at least a couple of times a week, as this practice is believed to stave off the aging process and provide robust cardiovascular health benefits.

4. Far-Infrared Sauna for Heart

For managing chronic heart failure or ischemic heart disease, consider daily far-infrared sauna sessions (around 140°F) for about 45 minutes, typically for two to three weeks, as this has shown to improve endurance, heart size, and vascular function.

5. Rehydrate Before & After Sauna

Rehydrate thoroughly by drinking plenty of water before and after sauna use, as individuals typically lose about 0.5 kilograms of sweat per session.

6. Never Mix Alcohol & Sauna

Never consume alcohol before or during sauna use, as there have been several case reports of death associated with this combination.

7. Acclimate Gradually to Sauna

If you are new to sauna use, start with shorter durations like 5 minutes and gradually increase your time in subsequent sessions as you acclimate, eventually aiming for the recommended 20 minutes.

8. Acclimate to Heat for Hsp

Frequently use the sauna or engage in physical activity to become heat acclimated, as this allows your body to increase heat shock proteins sooner and more robustly upon heat stress exposure, which helps maintain protein structure.

9. Finnish Sauna for Home Use

If considering building a home sauna, the speaker strongly recommends a Finnish sauna over an infrared one, citing personal preference for its hotter, steamy environment and robust effects.

10. Explore Other Heat Therapies

If a traditional sauna is not accessible, consider other modalities for increasing core body temperature, such as steam showers or hot baths, as they can offer similar health benefits.

11. Maximize Hot Bath Submersion

When taking a hot bath for heat stress benefits, strive to stay fully submerged under the water, as cooling parts of your body reduces the effectiveness of the heat stress.

12. Limit Children’s Sauna Time

For children using a sauna, limit their duration to much shorter times, such as around five minutes, compared to the longer sessions recommended for adults.

13. Practice Time-Restricted Eating

Eat all your daily food within a 6-11 hour window and fast for the remaining time to activate beneficial genetic pathways for healthy aging, improve insulin sensitivity, and align with your body’s circadian rhythm.

14. Consider Prolonged Fasting

Explore prolonged fasting of at least 48 hours, potentially through a fasting-mimicking diet, as it may improve autoimmune conditions and could potentially sensitize cancer cells to treatment while protecting normal cells.

15. Fasting Refeeding for Rejuvenation

Recognize that the refeeding phase after a prolonged fast is crucial for rejuvenation, as it triggers stem cell proliferation to replace old, damaged cells with healthy, new ones, leading to organ regrowth.

16. Add Broccoli Sprouts to Diet

Incorporate broccoli sprouts or sulforaphane into your diet as another important way to improve health span, as suggested by the speaker.