#cortisol

Slow breathing at 4-6 breaths per minute activates the vagus nerve and measurably reduces cortisol, blood pressure, and inflammation. Learn the physiology and how to do it correctly.

One week of 5-hour nights causes insulin resistance equal to 20 pounds of weight gain. Learn the science linking deep sleep to metabolic health and evidence-based protocols to fix it.

Chronic stress doesn't just feel bad — it physically reshapes your body. Learn how cortisol dysregulation drives visceral fat accumulation and how to reset your stress hormone rhythm.