Can two glasses of wine really ruin your week? After Steven Bartlett was mocked by Greg James for joyless 'optimisation culture', experts reveal how even small amount of alcohol can affect the body - and whether fitness tracker gadgets are worth the price

Steven Bartlett, known for his role on Dragons Den, recently shared how his fitness tracker showed that even a couple of glasses of wine had a significant negative impact on his sleep, diet, and hormone levels, like dopamine and cortisol. This revelation highlights the broader issue of "optimisation culture," where people strive for peak physical and mental performance. The article also debates the value of high-priced fitness trackers, questioning whether they genuinely offer benefits beyond the basic insights of traditional fitness measures. This discussion is crucial as it touches on the fine line between health optimization and potentially harmful over-reliance on technology.