IT’S not your imagination – everyone really is getting thinner. From the girls’ WhatsApp chat to your gym’s changing room, the ‘mystery’ weight loss epidemic is in full swing. The culprit? Not salads. Not spin classes. It’s the fat jab. Ozempic, Wegovy, Mounjaro are the buzzwords of 2025, fuelling shrinking waistlines, quieter appetites and a…