Watching England play in a major football tournament can have a tangible impact on a person's physical health, according to an experiment conducted during the nation's opening World Cup match. The study, which involved attaching scientific equipment to a fan named James, aimed to measure his body's responses to the emotional rollercoaster of a high-stakes game.

The experiment sought to understand the physiological effects of supporting a national team, particularly given the intense emotional investment fans experience. From nervous anticipation and the thrill of scoring to the despair of missed opportunities and penalty shoot-outs, these emotional swings are known to influence the body, but the precise health implications remain a subject of interest.

Professor Damian Bailey and PhD student Danny Walmsley from the University of South Wales fitted James with a range of scientific equipment in a Bristol pub. This included probes and cuffs on his arm and hand, ultrasound probes on his head to measure blood flow to the brain, and a device to record breathing rate and carbon dioxide output. A saliva sample was also collected to test for stress hormones like cortisol.

As the match against Croatia began, James was reportedly "buzzing," with initial readings showing a resting heart rate of around 54 beats per minute and blood pressure of 115 over 75. Professor Bailey expressed a desire to observe a clear stress response, encompassing excitement, anxiety, fear, and altered breathing patterns.

While the initial data from the opening moments showed a stable physiological state, the experiment was designed to track these metrics second-by-second throughout the entire match. The researchers were keen to observe how these numbers would fluctuate as the game progressed, especially during critical moments like goals, near misses, or controversial decisions.

The setup itself drew attention from other patrons in the crowded pub, with James being described as looking like an "extra in a low-budget Star Wars parody." The researchers acknowledged the pub environment was not ideal for sensitive equipment, describing it as "not beer-proof let alone waterproof."

Professor Bailey highlighted that the goal was to capture the full spectrum of a fan's experience, stating, "I want to see a stress response, excitement, emotional anxiety, fear, shouting, forgetting to breathe, perhaps breathing too much, all of the above." This indicates a focus on quantifying the physiological manifestations of emotional engagement.

Further analysis of the saliva samples and the continuous monitoring data is expected to provide a clearer picture of the immediate and potentially longer-term health effects associated with intensely watching live sports. The findings could offer insights into how such experiences might impact cardiovascular health and stress levels.