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Why is nose breathing encouraged during exercise?

I've been practicing nose breathing during exercise. I notice that my heart and respiratory rate are lower than when mouth breathing at the same exertion level - as long as I can maintain it. But I do want to get a clear understanding of the benefits of nose breathing vs. mouth breathing, during exercise, sleep and otherwise. I can't find anything clear on this. This Healthline article cites conflicting studies and what I'm seeing so far is conflicting information on actual benefits. Thanks, Moose

Meditation and Adrenaline

During an event where adrenaline is spiked such as an ice bath, can using third eye center meditation mitigate the quieting of the forebrain?

Are you truly convinced by palmar cooling?

According to studies by Dr. Craig Heller, Palmer cooling seems almost too good to be true. If it is indeed more effective than steroids, I feel like I’m missing out by not incorporating it into my workouts. Is the science behind it sound? Are there any other studies that provide more convincing evidence, such as double-blind and controlled experiments.

Amblyopia

Can amblyopia be reversed? Any treatment available? Thank you, Cleide Aalles

Fasting and Creatine specifically for women

First, thank you for changing my life. Second, I’ve been catching wind that fasting should be different for women. I trust you and your guests so I was hoping to hear what your lot has to say. Lastly, I was interested to hear if Creatine should be taken per body weight or if 5g is solid across the board with men and women for both muscle and brain health. Thank you and I appreciate your time.