THE ‘implant’ on my arm is no bigger than a £2 coin, but it will – I have been promised – help boost my mood, metabolism and energy, improve my ability to concentrate and even help achieve better athletic performance.
The high-tech gadget, known as a continuous blood glucose monitor or CGM, will no doubt be familiar to many of the millions of people with type 1 diabetes: famous wearers include former PM Theresa May, for example, who revealed she