At 93, sprightly referee Frank Foster is still brandishing red and yellow cards and running the field three times a week for his local soccer association. Having taken charge of around 5,500 matches over a 46-year officiating career, SWNS reported that the great-grandfather credits his longevity and match-day stamina to a lifetime of healthy habits and a foundational diet. Foster puts his incredible fitness down to the strict wartime rations he was fed as a teenager, noting that it ensured he grew up eating “healthy food” rather than “sweets and cakes.” Decades later, his game-day preparation is still fueled by...