Ordinarily, I pride myself on being impervious to the Daily Mail’s sensationalist flourishes, but a story it ran last summer – “Zapping the brain with a tiny device on the ear could boost fitness without people having to lift a finger” – ensnared me good and proper.
The Daily Mail is rarely my first port of call for fitness advice, but the subject of this piece, a robust study that determined that non-invasive (transcutaneous) vagus nerve stimulation (tVNS) can increase exercise capacity, struck me like a lightning bolt.
