THE EXPERT PANEL
TOM COWAN PHYSIOLOGIST Fitness is a numbers game, but which truly count? Cowan and others interrogate the most commonly cited benchmarks p54 ZACK GEORGE CROSSFIT ATHLETE The UK’s fittest man joins our elite line-up to dispense the advice you need to make this your biggest, most gainful year ever p110 JOE MARLER PRO RUGBY PLAYER World Cup star Marler opens up about how talking about his mental health struggles has helped him – and others – find new strength p88 WILLIE STEWART NEUROPATHOLOGIST An expert in concussion management, Stewart warns of a coming wave of sports-related brain damage. How can we stop head injuries? p60 MARION NESTLE FOOD RESEARCHER Is saturated fat a healthy part of your diet, or a heart attack waiting to happen? Nestle and other scientists serve up the final word p80 WILL SELF NOVELIST Death awaits us all, but nobody wants to talk…