Prince Harry has launched a new fitness project that aims to help servicemen and women manage their mental health. In a video released on HeadFIT for Life’s website on Monday, the Duke of Sussex is seen urging members of the armed forces to train their “mind and body as one.” “Today, when we talk about fitness, we don’t just mean how fast you can run or how much weight you can carry,” said the former soldier. “This is about mental fitness, strength and resilience, not just while wearing a uniform, but for the rest of your life.” “If you want to be truly fit, strong and healthy, you need to train your mind and body as one,” continued the 35-year-old. “Some people run, others swim, cycle or lift weights in order to be physically fit.