We’ve known for a while that aiming to walk 10,000 steps a day keeps you healthy, but how fast you walk could be just as important. Research that monitored nearly 80,000 adults with wearable trackers found that taking 10,000 steps a day lowered risk of dementia, heart disease, cancer and death but the people who walked briskly – more like power walking – enjoyed even more health benefits. Don’t get too fixated on the 10,000 figure, though, even 3,800 steps a day cut the risk of dementia by a quarter, while 9,800 steps cut that risk in half! Basically, the more you can do the better, but any walking is good for you, and if you quicken your pace you’ll get the maximum health boost. Ideally aim to walk as…