Dr Peter Attia is an expert on longevity and preventative medicine. He explains how sleep, weight training and other incremental changes can make us much more resilient
It’s a huge organ that gives us the energy to live, grow and repair. But how does it work – and how do you keep it healthy? Our science editor unravels its astonishing job
Nothing could be more fulfilling than making the countryside safe for walkers. No one should have to risk their neck on a rickety stile, writes Guardian columnist Adrian Chiles
Whether you’re running, working out in the gym or lifting weights, the perfect workout doesn’t have you gasping for breath. Here’s why less can be more
Every day, around the world, 2bn cups are consumed. But what actually happens after you swallow that first mouthful? Here is everything you need to know
At work and at home, we spend hour after hour sitting, staring at screens or fiddling with our phones – and our hunched, twisted bodies bear the marks. Let’s get things straight again