Should you train to failure while you're on a cut?

Should you train to failure while you're on a cut? In this video, expert nutritionist Dr Richie Kirwan explains why training intensity becomes even more important during a calorie deficit and how training close to failure can help preserve muscle while you're losing body fat. Dr Richie Kirwan answers some important questions like, should every set be taken to failure? Does lifting lighter on a cut increase muscle loss? And how hard do you actually need to train to maintain your muscle? There are a lot of misconceptions about training during a fat-loss phase, and Richie breaks down the science behind muscle retention so you can hold on to as much muscle as possible while getting leaner.