Summary:

- The article discusses how new technology could potentially transform the experience of exercise from pain to pleasure. Researchers are exploring ways to manipulate the brain's reward pathways to make exercise feel more enjoyable and motivating.

- One approach involves using electrical brain stimulation to activate the brain's pleasure centers during physical activity. This could potentially make exercise feel more rewarding and intrinsically motivating, rather than something that is endured as a chore.

- The article suggests that such technologies, if successfully developed, could have significant implications for public health by making it easier for people to adopt and maintain regular exercise routines, which are crucial for physical and mental wellbeing.