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The Scientific Guide to a Healthier YouThe Scientific Guide to a Healthier You

The Scientific Guide to a Healthier You

The Scientific Guide to a Healthier You 2019

Everyone’s lives are busy, making it all too easy to fill up on unhealthy snacks or skip a sensible bedtime. But it can be hard to track down truly useful health advice. In this special edition of BBC Science Focus Magazine, experts reveal the best ways to ensure you stay in top shape. IN THIS SPECIAL EDITION… - In-depth articles on the latest discoveries - Interviews with scientists and doctors - Top tips from experts on how to stay healthy - Q&A special: health questions answered

Paese:
United Kingdom
Lingua:
English
Editore:
Immediate Media Company London Limited
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the scientific guide to a healthier you

EDITORIAL Editor Daniel Bennett Managing editor Alice Lipscombe-Southwell Production editor Robert Banino Commissioning editor Jason Goodyer Staff writer James Lloyd Editorial assistant Amy Barrett Online editor Alexander McNamara Online assistant Sara Rigby ART & PICTURES Art editor Joe Eden Deputy art editor Steve Boswell Designer Jenny Price Picture editor James Cutmore PRESS AND PUBLIC RELATIONS Press officer Carolyn Wray carolyn.wray@immediate.co.uk PRODUCTION Production director Sarah Powell Production co-ordinator Katty Skardon Reprographics Tony Hunt, Chris Sutch PUBLISHING Commercial director Jemima Dixon Content director Dave Musgrove Publishing director Andy Healy Managing director Andy Marshall BBC STUDIOS, UK PUBLISHING Chair, editorial review boards Nicholas Brett Director of consumer products and publishing Andrew Moultrie Head of publishing Mandy Thwaites UK Publishing coordinator Eva Abramik Contact UK.Publishing@bbc.com www.bbcstudios.com CIRCULATION / ADVERTISING Circulation manager Rob Brock Like what you’ve read? Then take out a subscription to BBC Science Focus magazine, the UK’s best-selling science and tech monthly. Go to www.sciencefocus.com/subscribe for details. COVER: ANDY POTTS, THIS PAGE: ALAMY…

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you know what’s good for you

A healthy, varied diet with plenty of fresh fruit and veg, regular exercise and six to eight hours’ sleep each night. When all’s said and done, the secret to good health is getting those three things. It’s not complicated and, truth be told, it’s nothing we don’t already know. We also know what happens when we don’t eat right, exercise well or sleep enough. Our bodyweight goes up, our mental well-being goes down and, if we forego any one of them for long enough, we get ill. What few of us know, however, are the reasons why a good diet, exercise and sleep are so important to our health. What exactly are those three things doing to our bodies to help us stay healthy and happy? Part of the reason for…

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eye opener

Pain killer Is it an alien landscape? Modern art? Rare mineral? Actually, none of the above. This colour-enhanced image is a close-up of aspirin crystals, which have been magnified hundreds of times. Aspirin has been used for over a century to treat pain, reduce fever and prevent heart disease. More recently, it has even been known to reverse tooth decay and decrease the risk of certain types of cancer. The main ingredient of modern aspirin – acetylsalicylic acid (ASA) – was first synthesised in 1853. But the medical use of its active component (salicylic acid) goes way back. Found in plants (especially willow trees) where it triggers processes such as flowering and defence mechanisms against disease, salicylic acid was extracted and used as a natural painkiller by ancient Sumerians, Egyptians, native Americans and…

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diet & exercise

1 teaspoon (5 grams) is the daily recommended salt intake for adults 20 minutes INTO CARDIOVASCULAR EXERCISE, THE BODY STARTS TO BURN MORE FAT THAN SUGAR Junk food adverts aimed at kids have been banned in the UK since 2016 The first weight loss drugs became available in the 1920s It takes the brain 20 minutes to sense fullness after eating SEX BURNS 150-250 CALORIES PER HALF HOUR SESSION. WATCHING TV ONLY BURNS 32 CALORIES 1 apple a day helps lower levels of bad cholesterol and prevent stroke Despite your best intentions, do you get your five portions of fruit and veg a day? How about regular workouts? We all know what we should be doing, but a healthy diet and exercise regime are hard to stick to. Science has proven there’s a wealth of health benefits…

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the science of fighting fat

Discover how genes affect your relationship with food in The Science of Obesity bbc.n/2B07HPD The statistics tell their own story. One in four people in England are now classified as obese, compared with one in six in the 1990s. Fifty-eight percent of women and 68 per cent of men are now overweight. Being overweight makes us less healthy: a study published in Lancet Public Health in 2017 showed a clear relationship between hospital admissions and body weight. But it isn’t just physical problems that are the issue, because being overweight also makes many people unhappy. A British Social Attitudes survey revealed that people who are overweight suffer significant stigma and that 53 per cent of the British public believe that most overweight people could lose the extra pounds if they tried. But the…

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how fat are we?

More than half a billion people in the world are obese. Increasingly sedentary lives and a shift in diet are to blame. The South Pacific island of Samoa has the highest proportion of obese people – a whopping 74.6 per cent are considered obese. In fact, South Pacific nations reign in the top 10 – only Kuwait is not in the region. Elsewhere around the world, there is a direct link with income – the prevalence of obesity is four times higher in high-income countries than low-income ones. African and Asian countries generally have very low obesity levels. Less than two per cent of the populations in Vietnam, Bangladesh, Nepal, India, Ethiopia, Eritrea, Madagascar and the Democratic Republic of the Congo are considered obese. FACT Two times more women (9.9%) are extremely…

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