Imagining threatening or worst-case scenarios releases cortisol in the body, nearly as if those events were actually happening, keeping the body in a chronic stress state.
Snapshot · The Mel Robbins Podcast
Imagining threatening or worst-case scenarios releases cortisol in the body, nearly as if those events were actually happening, keeping the body in a chronic stress state.
Where this was said
At 56:30 · chapter starts 54:20
This is the scientific spine of the episode. Dr. Vieten explains that the brain differentiates much less than expected between real experience and vividly imagined experience: your visual cortex lights up when you imagine seeing something; your auditory cortex fires when you imagine hearing something; your motor cortex activates when you imagine movement. The practical implication is that sitting in your pajamas imagining yourself training is still training your brain. She cites Billie Jean King's pre-sleep practice of mentally rehearsing every possible ball angle, and notes that research consistently shows athletes who include mental rehearsal outperform those who don't. The flipside is equally important: if you imagine threatening or worst-case scenarios all day, your body releases cortisol as if those events are actually happening — making chronic negative imagination a genuine physiological stressor.
When you vividly imagine something, your visual, auditory, and motor cortices light up almost identically to when it actually happens. This means daily visualization is genuine neural training — not wishful thinking.
The brain's visual, auditory, and motor cortices light up nearly identically whether an experience is real or imagined, making visualization a form of actual neural training.
Research shows athletes who mentally imagine practicing basketball or soccer have better performance than those who do not include imagination in their training.
Dr. Vieten had everything — great career, beautiful life — and was secretly drinking heavily. She imagined asking for help would end her career. When she finally called a colleague, he showed up immediately and gave her 60 days off with full support. The story she'd been telling herself was a lie.
When applying for Medicaid to cover nursing home costs, there is a 5-year look-back period that can disqualify applicants who gave away or spent down assets.
A broken pipe filled the Bad Friends studio with what the hosts identified as hydrogen sulfide — microscopic fecal aeroparticles — that the crew denied smelling.
Fei-Fei Li's father's liver surgery performed by a da Vinci robot resulted in 10 times less blood loss than a typical open liver surgery, thanks to laparoscopic precision.
Approximately 115 million adults in the US currently have prediabetes, most of whom are unaware, according to the Lingo sponsor segment.
Drug overdose deaths in the US fell from 110,000 to 80,000 in 2024, and then to roughly 70,000 — the largest single-year drop the CDC has ever recorded.
Men's overdose death rate fell 27% in a single year, outpacing the 23% drop for women.
The steepest decline in overdose deaths was among 15–24-year-olds, whose rate fell 37%.
Fei-Fei Li observed that on a given hospital shift, nurses walk miles just to fetch medicine and supplies, illustrating a clear use case for assistive robotics in healthcare.
Before becoming the Bachelorette, Robby's wife Gabby Windey worked as an ICU nurse for years.
We use essential and analytics cookies to run Vuci. To understand how the site is used: Privacy Policy.
Install Vuci on your phone
Add it to your home screen for a faster, app-like experience.
Install Vuci on your phone
Tap the Share button, then “Add to Home Screen”.
A new version is available
Reload to get the latest Vuci.