716: Jo Marchant | Placebos and the Science of Mind over Body

Stress Impact

Jo Marchant explains the physiological and genetic impacts of stress, highlighting the detrimental effects of chronic stress on the body. She describes how the fight-or-flight response, while useful in emergencies, can cause wear and tear when activated continuously, leading to increased blood pressure, heart disease, and accelerated cellular aging 1. Chronic stress also triggers inflammation, exacerbating autoimmune diseases and increasing susceptibility to infections and cancer.

Stress ages us. It increases the rate of cellular aging of cells. So not good.

--- Jo Marchant

Marchant emphasizes evidence-based methods to reduce stress, such as mindfulness meditation and strong social connections, which can improve life expectancy and overall health 1.

   

Reframing Stress

Reframing our perception of stress can significantly alter our physiological response and improve performance. Jo Marchant shares a study where participants who viewed their stress responses as beneficial performed better in exams and experienced healthier stress responses 2. This shift from a threat state to a challenge state can enhance long-term health and performance.

Seeing the situation differently changes your physiological response to it.

--- Jo Marchant

Marchant also discusses how reframing pain can change our experience of it, turning a potentially painful situation into a more pleasant one by adjusting our expectations 3.