デイヴ・アスプリーのインスタグラム(dave.asprey) - 9月3日 00時30分

You know how much I like learning from the masters in all areas of life. So, when I talked to fitness titan @kathysmithfitness , I picked her brain about what it actually takes to get and stay fit.

Surprisingly, it’s not a gadget, and certainly not ab crunches.

Throughout four decades in the fitness industry, Kathy found that one thing can change everything about your health.

Think it’s cardio? Nope. Strength training? Maybe. How you breathe? Absolutely.

But not just any breathing. You’ve got to breathe through your nose. Being a mouth breather holds you back.

When you get your breathing dialed in with the right methods, you’ll have more energy, sleep better, and keep your emotions in check. Your heart health and immune system get a boost, too. It’s your pro-aging tool.

Control your breath; transform your life.

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