The new generation of weight loss drugs is now available on the NHS and Panorama has exclusive access to one of the UKโs top hospitals as it rolls out Wegovy, also known as Ozempic. The BBCโs medical editor Fergus Walsh follows the progress of patients and talks to medical experts about what impact the jabs could have on Britainโs obesity crisis, and whether the NHS can afford to give the drugs to all those who are eligible.