Most Replayed Moment: Mouthwash REVERSES The Benefits Of Exercise! Dr Nathan Bryan
The Diary Of A CEO with Steven Bartlett
Apr 3, 2026
Dr. Nathan Bryan reveals how modern hygiene habits, specifically mouthwash and fluoride toothpaste, are decanting our oral microbiome and triggering systemic health failures. By killing essential bacteria, these common products block the production of nitric oxide, leading to hypertension and even nullifying the cardiovascular benefits of physical exercise.
Key insight: Using antiseptic mouthwash kills the oral bacteria responsible for producing nitric oxide, which can immediately raise blood pressure and completely erase the cardioprotective benefits of your daily workout.