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AdvertisementScience & HealthThe casa aluguel com piscina cassinosimple test to check how old your lungs areThe condition of our lungs can reveal a great deal about our wider health. Luckily you can also get them into better shape.See moreThe South African campaigners battling childhood obesityThe UN says the number of obese teenagers has nearly tripled globally in the last two decades. More children are obese than underweight, says UnicefTraditional, healthy diets are being replaced by ultra-processed foods, often high in sugar and additives, the UN agency says.Alzheimer's blood test could 'revolutionise' diagnosisPharmacy offers contraceptive implants in UK-firstBest and worst-performing NHS Trusts in England namedWatch a fierce Albertosaurus matriarch assert dominance2:00Do you need to drink electrolytes to stay hydrated?Electrolyte-packed drinks are said to optimise health and hydration. 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